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- 1-1 Bradford Tavern 1804
- 2-1 Wickerham Inn 1800-01
- 3-1 Covenanter Church 1804
- 4-1 Massie’s Station 1791
- 5-1 Adams County Mineral Springs
- 6-1 Peebles
- 7-1 Seaman
- 8-1 Rome (Stout Post Office)
- 9-1 Winchester, Ohio–1815 / Morgan’s Raid–1863
- 10-1 The Bentonville Anti-Horse Thief Society
- 11-1 Manchester, Ohio First Settlement Virginia Military District
- 12-1 First Presbyterian Church / Thomas Kirker
- 13-1 Israel Donalson Member of the First Constitutional Convention of Ohio / Manchester Founders Cemetery 1791-1888
- 14-1 Lafferty Funeral Collection
- 15-1 Serpent Mound
- 16-1 Reverend John Graham / West Union Associate Reformed Presbyterian Church
- 17-1 Manchester
- 18-1 Cowboy Copas / The Oklahoma Cowboy
- 19-1 Camp Hamer / Pioneer County Seat
- 1-3 Hayesville Town Hall and Opera House
- 2-3 Frontier Violence During the War of 1812
- 3-3 Charles Franklin Kettering
- 4-3 Greentown Delaware Village
- 5-3 Founding of Ashland College / Ashland Eagles Tradition
- 6-3 Clear Fork Gorge-A Feature of Ohio’s Forests
- 7-3 Johnny “Appleseed” Land Lease and Nursery
- 8-3 Historic Mifflin
- 1-4 Prehistoric Earthworks / The Prehistoric Erie
- 2-4 Harpersfield Covered Bridge
- 3-4 Western Reserve
- 4-4 Ransom E. Olds – Birthplace
- 5-4 The Hubbard House
- 6-4 Betsey Mix Cowles (1810-1876)
- 8-4 Pymatuning Wetlands / Pymatuning Reservoir
- 9-4 Adna R. Chaffee
- 10-4 Ashtabula Train Disaster December 29, 1876
- 11-4 Lakeshore Park Main Pavilion
- 12-4 Ashtabula Harbor Commercial District
- 13-4 Joshua R. Giddings Law Office
- 14-4 Hotel Ashtabula
- 1-5 Hocking Valley Railway
- 2-5 Albany / Enterprise Academy
- 3-5 Hisylvania Coal Company Mine No. 22
- 4-5 Ohio University
- 5-5 Western Library Association 1804 The Coonskin Library
- 6-5 The Hocking Valley Coal Strike 1884-1885
- 7-5 Athens County Infirmary
- 8-5 Dow Finsterwald Day September 25, 1958
- 9-5 Ohio University Peden Stadium
- 10-5 Athens National Guard Armory
- 1-6 Fort Amanda
- 2-6 The Miami & Erie Canal and New Bremen
- 3-6 Dudley Nichols
- 4-6 Town Pond Reservoir Cridersville’s Great Fire of 1918
- 5-6 Dayton and Michigan Railroad
- 6-6 The Shannon Stock Company
- 7-6 New Knoxville: The Ladbergen Kinship
- 8-6 Sts. Peter and Paul Church, Mother Church of the Petersburg Parishes
- 9-6 Neil Armstrong’s Boyhood Home
- 10-6 Reservoir Mill, St. Marys
- 1-7 Mile Marker
- 2-7 Mile Marker
- 3-7 Walnut Grove Cemetery
- 4-7 Historic Bridgeport
- 5-7 Harley E. Warrick (1924-2000)
- 6-7 The Coal Industry at Powhatan Point / Powhatan Disaster 1944
- 7-7 Governor Wilson Shannon 1802-1877 / Barnesville’s Shannon Family
- 8-7 Captina African Methodist Episcopal Cemetery
- 9-7 Imperial Glass – Gem of “The Glass City”
- 10-7 Morristown
- 11-7 Blaine Hill “S” Bridge / Blaine Hill Viaduct
- 12-7 William Dean Howells, “The Dean of American Letters” / Poet James Arlington Wright
- 13-7 Powhatan Point
- 14-7 The Great Stone Viaduct
- 15-7 Union Square and Its Uses / The Question of Ownership
- 16-7 Bellaire High School Clock Tower / Central School Clock Tower and Bell
- 17-7 Governor Arthur St. Clair – 1734-1818
- 18-7 Cornelius D. Battelle, Methodist Circuit Rider / The First United Methodist Church, Bellaire
- 19-7 Captain Thomas Drummond
- 20-7 Groundbreaking Site of the National Road in Ohio / Belmont County
- 21-7 Watt Car and Wheel Company
- 1-8 Ulysses S. Grant Boyhood Home
- 2-8 Dixon-Washburn Log House
- 3-8 General Thomas Lyon Hamer 1800-1846
- 4-8 Ripley / The John P. Parker House
- 5-8 Historic Decatur / A.N. Marquis and Who’s Who
- 7-8 Camp Ripley 1861-1864 / Camp Ammen 1861-1864
- 8-8 Ripley and The Ohio River
- 9-8 The Squirrel Hunters 1862
- 10-8 Gist Settlement / Original Lot Owners in Eagle Township Settlement
- 11-8 Gist Settlement Scott Township / Original Lot Owners in Scott Township Settlement
- 12-8 Charles Young in Ripley / Colonel Young’s Achievements
- 13-8 The Ursulines of Brown County
- 1-9 The Miami Canal
- 2-9 Bethel Chapel 1815-1873
- 3-9 Champion Hamilton Mill / Champion International
- 4-9 Miami-Erie Canal 1825-1929
- 5-9 Village of Miltonville
- 6-9 Woodsdale
- 7-9 Lane-Hooven House
- 8-9 Busenbark / Dr. Charles F. Richter 1900-1985
- 9-9 Freedom Summer 1964
- 10-9 Rossville Historic District
- 11-9 The Black (Pugh’s Mill) Covered Bridge
- 12-9 William Dean Howells
- 13-9 The DeWitt Family / The DeWitt Log Homestead
- 14-9 William Holmes McGuffey House
- 15-9 Langstroth Cottage / Lorenzo Langstroth “The Bee-Man of Oxford”
- 16-9 Elisha Morgan Farm Mansion
- 17-9 Paddy’s Run
- 18-9 The Village of Trenton / The Elk Creek Baptist Church and Cemetery
- 19-9 First Jain Temple in Ohio – “Souls render service to one another” / History of Jainism in Ohio – “Ahimsa Parmodharma-Non injury to all living beings”
- 20-9 The Voice of America Bethany Station
- 22-9 Butler County Courthouse
- 23-9 The Restoration Movement / Doty Settlement Cemetery
- 24-9 Stillwell’s Corners
- 25-9 Soldiers, Sailors, and Pioneers Monument / “Victory, the Jewel of the Soul”
- 26-9 1858 Morgan Township House / Copperheadism in Butler County
- 27-9 The Doty Settlement / The Pioneer Farmstead
- 28-9 Abraham Lincoln’s 1859 Hamilton Speech
- 29-9 Mother of Fraternities
- 30-9 Johnny S. Black, Songwriter
- 31-9 Dog Town / Bunker Hill
- 32-9 Oxford Female Institute / Caroline Scott Harrison 1832-1892
- 33-9 Bunker Hill Universalist Church / Bunker Hill Cemetery
- 34-9 Indian Creek Baptist Church / The Indian Creek Pioneer Burial Ground
- 35-9 Stanton’s “Magnificent Dwelling” Home of Two Miami University Presidents / Elizabeth Cady Stanton (1815-1902) and Miami University
- 36-9 Warren Gard / Congressman Warren Gard
- 37-9 Clark Lane / Lane Public Library
- 38-9 “The Poet’s Shack” / Percy MacKaye
- 39-9 Fannie Hurst – Author / Fannie Hurst – Humanitarian & Advocate
- 40-9 Sigma Chi Fraternity Founding Site
- 41-9 Hamilton Airport – Hogan Field
- 42-9 Miami Chapel Cemetery
- 43-9 Butler County Children’s Home, 1869-1985
- 44-9 Lewis-Sample Farmstead / Butler County’s American Indian Heritage
- 45-9 Woodside Cemetery / Maurice Rocco Jazz Musician
- 46-9 City of Monroe / Monroe Historical Society
- 48-9 Birthplace of William Bebb; Governor of Ohio; 1846-1848
- 49-9 Pilgrim Baptist Church / A Beacon of Light for Over 100 Years
- 1-11 Harmony Lodge No. 8 Free and Accepted Masons
- 2-11 In Memory of Marion A. Ross
- 3-11 In Memory of Simon Kenton
- 5-11 Bailey and Barclay Halls / Johnny Appleseed
- 6-11 Cedar Bog Nature Preserve
- 7-11 Ohio Caverns
- 8-11 1950 National and Ohio Plowing Matches
- 9-11 Joseph E. Wing
- 10-11 Mt. Tabor Church / Mt. Tabor Cemetery
- 11-11 Warren G. Grimes / Grimes Field
- 12-11 Kings Creek Baptist Church
- 13-11 John Anderson Ward Farmstead / John Quincy Adams Ward 1830-1910, Edgar Melville Ward 1839-1915
- 14-11 General Robert Lawrence Eichelberger
- 15-11 Dayton, Springfield, and Urbana Electric Railway
- 16-11 Addison White
- 17-11 William Owen
- 18-11 Harvey Haddix
- 19-11 Second Baptist Church
- 20-11 Friends Church / Friends Cemetery
- 21-11 The Johnson Manufacturing Company
- 22-11 A.B. Graham
- 23-11 James Roy Hopkins
- 24-11 Lincoln Funeral Train
- 25-11 Mechanicsburg United Methodist Church
- 26-11 Mad River and Lake Erie Railroad
- 27-11 Mad River and Lake Erie Railroad
- 28-11 Lincoln Funeral Train (Cable)
- 29-11 Billy “Single” Clifford / Clifford Theater
- 30-11 Pennsylvania Railroad Depot
- 31-11 Universalist Church
- 32-11 The Underground Railroad In Champaign County / Lewis Adams
- 33-11 Warren Sibley Cushman 1845-1926
- 34-11 Old Grave Yard / War Council of 1812
- 35-11 President Lincoln’s Funeral Train in Urbana
- 36-11 Lincoln Funeral Train (Woodstock)
- 1-12 Davey Moore Park
- 2-12 City Building
- 3-12 The Birthplace of 4-H
- 4-12 Pennsylvania House / The National Road
- 5-12 Springfield, Troy, & Piqua Electric Railway
- 6-12 Ridgewood in the Country Club District
- 7-12 Robert C. Henry
- 8-12 Old Enon Road Stone Arch Culvert
- 9-12 Daniel Rudd: Journalist of Faith and Action
- 1-13 First Methodist Church
- 2-13 Early Settlers Burying Ground
- 4-13 Grant Memorial Bridge
- 5-13 Colonel John J. Voll
- 6-13 New Richmond
- 7-13 Utopia
- 8-13 Mt. Zion Chapel / Mt. Zion Cemetery Lafayette School
- 9-13 Henry Clark Corbin / Colclazer Run
- 10-13 U.S. Grant Birthplace
- 11-13 Goshen School Building
- 12-13 Founding of Milford Public Library / “Milford Mystery Library”
- 1-14 Deserted Camp
- 2-14 Garrison Corner Community
- 3-14 Gilbert Van Zandt
- 4-14 Beam Farm Mound
- 5-14 Wilmington College
- 6-14 Indian Trails of Clinton County
- 7-14 Marble Hall
- 8-14 The Thunderstorm Project
- 9-14 Wilmington Library
- 10-14 Military Air Disaster
- 11-14 1968 Clinton County AFB C-119G Plane Crash
- 12-14 Jonah’s Run Baptist Church / Underwood Farms Historic District
- 13-14 Clinton County Courthouse
- 1-15 Church Hill Road Bridge / Timber Covered Bridges
- 3-15 Canal Tunnels
- 4-15 First Paper Mill / Little Beaver Creek Bridge
- 5-15 Birthplace of Catholicism in Northern Ohio
- 7-15 Thomas J. Malone Bridge / Gaston’s Mill
- 8-15 Log House Museum
- 9-15 Gateway to the Northwest
- 10-15 Death of Pretty Boy Floyd
- 11-15 Harvey S. Firestone
- 12-15 Riverview Cemetery
- 13-15 The Pottery Capital of America
- 14-15 Unserheim
- 15-15 Teegarden-Centennial Covered Bridge
- 16-15 Ohio’s Gateway
- 17-15 Cherry Valley Coke Ovens
- 18-15 Land Ordinance of 1785 / The Seven Ranges
- 20-15 Log House Museum
- 1-16 Bouquet’s Expedition
- 2-16 Colonel William Simmons
- 3-16 George W. Crile, M.D. (1864-1943)
- 4-16 Plainfield Cemetery
- 5-16 The Coshocton County Courthouse
- 6-16 Koquechagachton – Chief White Eyes
- 7-16 Muskingum River Underground Railroad Corridor / Underground Railroad Agents in Coshocton County
- 8-16 William Green (March 3, 1870-November 21, 1952)
- 9-16 North Appalachian Experimental Watershed
- 1-18 The Arcade
- 3-18 Ernest R. Ball Birthplace Site
- 4-18 University Hall, The Samuel Mather Mansion
- 5-18 Jack Miner
- 6-18 Old District 10 Schoolhouse
- 7-18 John W. Heisman Birth Site
- 8-18 Butternut Ridge Cemetery
- 9-18 North Olmsted-First Settlement and Schoolhouse
- 10-18 Coe Ridge
- 11-18 Pilgrim’s Rest
- 12-18 The Oxcart Library
- 13-18 League Park
- 14-18 Parker Ranch – Adele Von Ohl Parker
- 15-18 Birthplace of James A. Garfield
- 16-18 Berea Sandstone Quarries / The “Big Quarry”
- 17-18 Dunham Tavern
- 18-18 Berea District Seven School
- 19-18 University Circle
- 20-18 The Berea Triangle
- 21-18 Hiram House
- 22-18 The Stearns Homestead
- 23-18 Lyceum Square
- 24-18 Bain Park Cabin
- 25-18 The Mills of Gates Mills
- 26-18 Lakeside Cemetery
- 27-18 Cuyahoga County Fair
- 28-18 Cahoon Memorial Park
- 29-18 German Corners / St. John Evangelical Lutheran Church
- 30-18 Crile Hospital
- 31-18 Theodore Elijah Burton 1851-1929
- 32-18 Cleveland Theater District
- 33-18 Cataract Falls
- 34-18 The Michelson-Morley Experiment
- 35-18 The Chagrin River’s “High Falls”
- 36-18 The Village of Glenwillow
- 37-18 Cleveland Grays
- 38-18 John D. Rockefeller, 1839-1937 / The Standard Oil Company
- 39-18 Moses Cleaveland’s “Capitol Town”
- 40-18 Frances Payne Bolton
- 41-18 Florence E. Allen
- 42-18 The Ark
- 43-18 Berea Union Depot
- 44-18 Journalist Dorothy Fuldheim
- 45-18 West Side Market
- 46-18 Birthplace of Rock ‘n’ Roll
- 47-18 Home of Superman
- 48-18 Pomeroy House
- 49-18 First Brick Rural Road in U.S.
- 50-18 Brooklyn Heights
- 51-18 Collinwood School Fire
- 52-18 William E. Telling / William E. Telling Mansion
- 53-18 Cowan Pottery / Cowan Pottery
- 54-18 Cleveland Buddhist Temple
- 55-18 ʻAbdu’l-Bahá and the Baháʼí Faith
- 56-18 The Cleveland Grand Prix
- 57-18 Karamu House
- 58-18 John Malvin
- 59-18 Charles Waddell Chesnutt
- 60-18 Garrett A. Morgan
- 61-18 Baldwin University
- 62-18 Ursuline College, 1871
- 63-18 The Cleveland Cultural Gardens
- 65-18 Detective Martin J. McFadden
- 66-18 The Old Stone Church
- 67-18 Horseshoe Lake
- 68-18 Federation of India Community Association
- 69-18 German Central Organization
- 70-18 Union and League of Romanian Societies / United Romanian Societies Carpatina of Cleveland
- 71-18 The West Park African American Community
- 72-18 The Burnham Mall – The Group Plan of 1903
- 73-18 The Council of International Programs USA
- 74-18 Camp Cleveland
- 75-18 Rear Admiral Isaac C. Kidd
- 76-18 Sarah Benedict House
- 77-18 James Mercer Langston Hughes
- 78-18 The Ohio AFL-CIO
- 79-18 The Fight for the Eight-Hour Day
- 80-18 South Park Village and The Whittlesey Tradition
- 81-18 Cuyahoga County Soldiers’ and Sailors’ Monument
- 82-18 First Congregational United Church of Christ of Berea
- 83-18 The Weston House / Sandstone Houses
- 84-18 Bedford Historic Business District
- 85-18 Springvale Ballroom / Springvale Ballroom
- 86-18 Cleveland East Ohio Gas Explosion
- 87-18 The Cozad-Bates House / Anti-Slavery and Abolition
- 88-18 Joseph Peake’s Farm
- 89-18 Woodland Cemetery
- 90-18 Erie Street Cemetery
- 91-18 Parma’s Birthplace
- 92-18 Brecksville Township’s First Settler
- 93-18 Adams Street Cemetery
- 94-18 First Universalist Church
- 95-18 John Shepherd-An American Hero, March 16, 1729-January 3, 1847 / John Shepherd-An American Hero, With Washington All the Way
- 96-18 Olmsted Falls L.S. & M.S. Depot
- 97-18 Monroe Street Cemetery
- 98-18 Frostville Museum / Frostville Post Office
- 99-18 Woodvale Union Cemetery
- 100-18 Parma’s First High School
- 101-18 Chestnut Grove Cemetery
- 102-18 Lakewood Park
- 103-18 Leverett Johnson – Westlake’s First Settler / Evergreen Cemetery
- 104-18 John Carroll University-Founded in 1886
- 105-18 The National Carbon Company / Lewis Frederick Urry
- 106-18 The National Carbon Company / GrafTech International
- 107-18 Solon Town Center
- 108-18 The Ahola Corporation
- 109-18 Market Square
- 110-18 Henninger Homestead
- 111-18 Brookside Stadium
- 112-18 East Cleveland Public Library
- 112-18 East Cleveland Public Library
- 113-18 Clague Family Homestead
- 113-18 Clague Family Homestead
- 114-18 The Templin-Bradley Company Penny Packet Seeds
- 114-18 The Templin-Bradley Company Penny Packet Seeds
- 115-18 Ogilvy Chapel of St. Thomas Episcopal Church
- 116-18 Holy Name High School, Founded 1914
- 118-18 Astronaut Robert Franklyn Overmyer
- 119-18 Abraham Lincoln’s Funeral in Cleveland
- 120-18 Dr. Jared Potter Kirtland
- 121-18 Puritas Springs Park / The Cyclone Roller Coaster
- 122-18 George L. Cooley
- 123-18 Olmsted Falls, A Historic Community / Olmsted Falls, A Historic Community
- 124-18 Euclid v. Ambler Realty Site
- 125-18 Cowan Pottery / Cowan Pottery
- 126-18 Olmsted’s Origins / Olmsted Township
- 127-18 (A) Lewis Field Historic District
- 127-18 (B) NASA Glenn Research Center
- 128-18 Alexander Winton Homestead
- 129-18 Kol Israel Foundation Holocaust Memorial
- 130-18 Saint Ignatius High School
- 131-18 Terry v. Ohio
- 132-18 23rd Ohio Volunteer Infantry Monument
- 133-18 LGBT Civil Rights Movement / LGBT Civil Rights Movement
- 134-18 The Shaker Parklands / The Nature Center at Shaker Lakes
- 135-18 Dover Lake Shore Methodist Episcopal Church
- 136-18 Greenwood Farm
- 137-18 Lakewood Women Get The Vote
- 138-18 Forest Hill Estate / Forest Hill Park
- 139-18 The Green Heart of North Royalton
- 140-18 St. Christopher’s by the River Episcopal Church
- 141-18 Parma Heights Cemetery
- 142-18 St. Clair Avenue Public Baths Edward J. Kovacic Recreation Center / Public Bath House Movement in Cleveland
- 143-18 A Modern-Day Exodus / A Modern-Day Exodus
- 144-18 Wings Over Jordan Choir / Wings Over Jordan Choir
- 145-18 Curtis-Preyer Stone House 1819-1835 / Lake View Wine Farm 1864-1892
- 146-18 Cory United Methodist Church / Host to Civil Rights Leaders
- 147-18 The Village Garden Club
- 148-18 Carl Burton Stokes (1927-1996) / Cleveland’s Mayor Stokes
- 151-18 Ludlow Community / Ludlow Community Association
- 152-18 Gates of Hope for Jewish Immigrants
- 153-18 Cleveland’s Ali Summit / The Negro Industrial and Economic Union
- 154-18 Sculptors of Guardians / Scultori Dei Guardiani
- 155-18 The Greater Abyssinia Baptist Church / Civil Rights Leadership
- 156-18 The African American Cultural Garden
- 1-20 Daeida Hartell Wilcox Beveridge / Amelia Swilley Bingham
- 2-20 Spemica Lawba-Johnny Logan
- 3-20 Tale of Ensign James Liggett / Major Adam Charles Muir, 41st Regiment of Foot
- 4-20 Fort Winchester
- 5-20 Evansport
- 6-20 Winchester’s Camp No. 3/Fort Starvation / The Old Kentucky Burial Grounds
- 7-20 Winchester’s Camp No. 2 / Preston Island
- 1-21 Pioneer Radio Telescope / Big Ear Radio Telescope
- 2-21 Camp Delaware 1862-1864
- 3-21 Sharp Family Homes
- 4-21 Grand Carousel
- 5-21 George W. Campbell Home
- 6-21 Africa Community
- 7-21 First Jain Temple in Central Ohio / History of Jainism in Ohio
- 8-21 Elliott Hall
- 9-21 Sunbury Town Hall 1868 / Sunbury, Ohio “An Ohio Stagecoach Town from 1820-1873”
- 10-21 Anson Williams and The Village of Williamsville / James Kilbourne and The Columbus and Sandusky Turnpike
- 11-21 Radnor Cemetery Lych Gate
- 12-21 Bharatiya Hindu Temple
- 13-21 Zion African Methodist Episcopal Church
- 14-21 The Union Land Company and the Case Family / The Olentangy River Road
- 15-21 Liberty Presbyterian Church Founded in 1810 / Nathan Carpenter, The First Colonial Settler in Delaware County
- 16-21 Bellpoint Buccaneers / Bellpoint High School
- 17-21 The Gooding House and Tavern / Rural Taverns in Early Ohio History
- 18-21 Benajah Cook Sawmill and Farmstead
- 19-21 Major General William Starke Rosecrans / Glacial Erratics
- 20-21 Lucy Depp Park & The Depp Settlement
- 21-21 Field Musician Richard W. Thompson / Field Musician Richard W. Thompson
- 3-22 Cholera Cemetery / In Honor of the Doctors
- 4-22 Milan Canal Basin
- 5-22 Good Samaritan Hospital
- 6-22 Sandusky’s First Congregation
- 7-22 Fort Sandusky
- 8-22 Kilbourne Plat
- 9-22 Grace Episcopal Church
- 10-22 Christ Episcopal Church
- 11-22 The Wright House and The Underground Railroad / Old Main Street
- 12-22 Huron’s First Inhabitants
- 13-22 Ohio Veterans Home
- 14-22 Huron’s Maritime History / Huron Lighthouses
- 15-22 Ohio Veterans Home
- 16-22 The Huron Playhouse
- 17-22 Cedar Point
- 18-22 Old Sandusky Post Office
- 19-22 Old Woman Creek – A Feature of Ohio’s Estuaries
- 20-22 Birthplace of Thomas A. Edison (1847-1931) / Edison Recalls Milan
- 21-22 Abandoned Schooner Idaho
- 22-22 Old Perkins Cemetery
- 23-22 Jury of Erie County Women / Erie County Courthouse
- 24-22 M.A. Harrison Memorial Airfield
- 25-22 Lake Shore Electric Railway
- 26-22 Old Homestead-on-the-Lake / Old Meeker Farm
- 27-22 Lester Allan Pelton
- 28-22 Electric Interurban Railways / Lake Shore Electric Railway
- 29-22 The German Reformed Church / The Church Parsonage
- 30-22 Inaugural Meeting of Ohio Hospital Association
- 31-22 The Island House
- 32-22 John Baptiste Flemmond
- 33-22 Eleutheros Cooke / Cooke-Dorn House
- 34-22 Almon Ruggles, Surveyor of the Firelands / The Unknown Sailor and The Battle of Lake Erie
- 35-22 Sandusky Library / Erie County Jail
- 36-22 Holy Angels Catholic Church / Holy Angels Catholic Church
- 1-23 Fairfield School for Boys 1857-1979
- 2-23 Pioneer Lutherans
- 3-23 Deep Cut at the Licking Summit / Millersport and The Ohio-Erie Canal
- 4-23 The Ohio & Erie Canal and the “Twin Cities” / The Ohio & Erie Canal and The Dry Dock Lock
- 5-23 The Fifty Star Flag: A Symbol of America
- 6-23 William Tecumseh Sherman / William Tecumseh Sherman
- 7-23 Junction of The Ohio Erie and Lancaster Lateral Canals
- 8-23 Zane’s Trace
- 9-23 Bremen Oil Boom
- 10-23 Camp Anderson
- 12-23 John Bright #2 Covered Bridge
- 1-24 Fayette County Court House – Archibald M. Willard Murals / Washington Court House Riot of 1894
- 2-24 Harry M. Daugherty
- 4-24 Soldiers’ Row
- 5-24 Bloomingburg Cemetery
- 6-24 St. Colman Church and Cemetery
- 7-24 Old Washington Cemetery
- 8-24 David Jones: Medal of Honor Recipient
- 9-24 Granville T. Woods in Washington Court House 1878-1880 / Granville T. Woods in Washington Court House 1878-1880
- 1-25 In Memory of Benjamin R. Hanby
- 3-25 Central College Presbyterian Church
- 4-25 Blendon Presbyterian Church
- 5-25 The Ohio State University
- 6-25 First Blendon Presbyterian Church
- 7-25 McDannald Pioneer Homestead
- 8-25 Worthington Masonic Museum
- 9-25 Benjamin Russell Hanby 1833-1867
- 10-25 Blendon Church Bell
- 11-25 Groveport Log House
- 11-25 Hannah Neil Mission and Home for the Friendless
- 12-25 In Memory of Ovid Wellford Smith
- 13-25 Deaf School Park
- 15-25 Formerly Maryland Park
- 16-25 Smith’s Burying Ground: Pioneer Cemetery / Smith’s Burying Ground
- 17-25 Bergstresser/Dietz Covered Bridge 1887-1991
- 18-25 Historic Groveport
- 19-25 John Rarey and “Cruiser”
- 20-25 The Borror Family Jackson Township Pioneers / Borror’s Corners Pioneer Homestead 1809-1811
- 21-25 Starling Medical College and St. Francis Hospital
- 22-25 Postle Family Cemetery 1829-1870
- 23-25 Wagnor Cemetery: Pioneer Burial Ground & Site of the First School in Plain Township
- 24-25 Archibald’s Mill
- 26-25 Canal Winchester and The Ohio and Erie Canal
- 27-25 Camp Chase
- 28-25 St. Mary Church
- 29-25 Historic Lockbourne
- 30-25 Ohio-Erie Canal and Locks / The Columbus Feeder Canal
- 31-25 Norton Field
- 32-25 Birthplace of the Veterans of Foreign Wars
- 33-25 General John Hunt Morgan, CSA / Morgan’s Escape
- 34-25 The Bank Block
- 35-25 Merion Village
- 36-25 Jeffers Mound / Blank (mounted on stone)
- 37-25 Orders Road School / The Orders Family
- 38-25 Old Ohio Union
- 39-25 The Founding of Worthington / Worthington, A Planned Community
- 40-25 Ohio and Erie Canal in Groveport / Scioto Valley Interurban
- 41-25 Green Lawn Cemetery
- 42-25 The Irish in Columbus
- 43-25 The National Road / The National Road
- 44-25 Orange Johnson House
- 45-25 Columbus Depot
- 46-25 Stoner House
- 47-25 Big and Little Darby Creeks – A Feature of Ohio’s Scenic Rivers
- 48-25 Roy J. Plunkett, June 26, 1910-May 12, 1994
- 49-25 Anne O’Hare McCormick 1880-1954 / Saint Mary of the Springs Academy
- 50-25 Monsignor John Joseph Jessing
- 51-25 First Modern Streamflow Measurement in Ohio
- 53-25 Ellen Walker Craig-Jones
- 54-25 Saint John’s Church of Worthington and Parts Adjacent / Church and Graveyard
- 55-25 Scioto Trail
- 56-25 The Upper Arlington Historic District
- 57-25 Trinity Lutheran Seminary
- 58-25 The Interurban Electric Railway / The National Road
- 59-25 Livingston House
- 60-25 Ohio State School for the Blind
- 61-25 Disposal of Land in Plain Township
- 62-25 Founders of New Albany
- 63-25 Johann Christian Heyl
- 64-25 Jack Kidwell (1918-2001)
- 65-25 Xerography
- 66-25 Otterbein College
- 67-25 Jack Kidwell
- 68-25 St. Paul African Methodist Episcopal Church
- 69-25 Jesse Owens
- 70-25 Iskcon Krishna House
- 71-25 Ohio Agricultural Experiment Station
- 72-25 The Ohio State Fair
- 73-25 St. Patrick Church / St. Patrick College and Aquinas College High School
- 74-25 Tuskegee Airmen
- 75-25 George Bellows / Roy Lichtenstein
- 76-25 Asians in the American Civil War
- 77-25 Wilbur H. Siebert Collection
- 78-25 James Thurber
- 79-25 The Ohio Statehouse / Lincoln at the Statehouse
- 80-25 Ohio in the Civil War / Defending Ohio: The Ohio National Guard and the 37th (Buckeye) Infantry Division
- 81-25 Captain Eddie Rickenbacker
- 82-25 General Curtis E. LeMay
- 83-25 Tod Barracks, 1863
- 84-25 Coach Woody Hayes
- 85-25 Minerva Amusement Park / The Green Line
- 87-25 Reverend Father Alexander Cestelli / Chiesa Italiana Di SanGiovanni Battista (The Italian Catholic Church of Saint John the Baptist)
- 88-25 Ohio School for the Deaf
- 88-25 William Green Labor Leader / The Columbus Streetcar Strike, 1910
- 90-25 James S. Tyler / Tyler Family Legacy
- 92-25 Site of First Ohio State Home Football Game / The Ohio State University Football Team 1890
- 93-25 The Breathing Association
- 94-25 Original Port Columbus Airport Terminal, 1929-1958
- 95-25 The Charity Newsies
- 96-25 Ohio and Erie Canal Lock 22
- 97-25 Columbus Main Library / Judge Noah Swayne Home
- 98-25 Mount Vernon Community School
- 99-25 St. Clair Hospital
- 100-25 Shiloh Baptist Church
- 101-25 The Breathing Association / Carrie Nelson Black (1859-1936)
- 102-25 Mount Vernon Avenue
- 103-25 The Lincoln Theatre
- 104-25 Site of First Wendy’s Restaurant
- 105-25 American Federation of Labor Since 1881 / United Mine Workers of America
- 106-25 Toledo and Ohio Central Railroad Station / Macklin Hotel
- 107-25 Schiller Park
- 108-25 The Interurban Depot
- 109-25 Campbell Memorial Park / The Adena Culture
- 110-25 Hanford Village
- 111-25 Southwood Elementary School
- 112-25 George and Christina Ealy House and Land
- 113-25 Temperance Row Historic District
- 114-25 Ohio Dominican University, Est. 1911 / Early Sister-Foundresses of Ohio Dominican University
- 115-25 Beulah Park
- 116-25 Worthington Historic District / Worthington Historic District
- 117-25 A.B. Graham and the 4-H Movement / Nationwide and Ohio Farm Bureau 4-H Center
- 118-25 A Brief History of Eastmoor / Eastmoor Polo Field
- 119-25 Snowden-Gray House
- 120-25 Columbus Civic Center Historic District / Columbus Civic Center Historic District
- 121-25 Harding Hospital Campus / Harding Hospital Campus
- 122-25 Blendon Township’s Early Presbyterian Churches and Church Bell
- 123-25 Agnes Meyer Driscoll / Agnes Meyer Driscoll
- 124-25 The Drexel Theatre
- 125-25 The Harrison House
- 126-25 Old Canal Winchester School (1862-2007)
- 127-25 Joseph M. Briggs and Briggsdale
- 128-25 Aminah Brenda Lynn Robinson Home Studio and Artist’s Residence
- 129-25 A Prosperous Jefferson Township Farm / The I-House Architecture of The Souder House
- 130-25 Jacobs & Son Moving and Storage Company
- 131-25 The Big Walnut Country Club / The Founding Members
- 132-25 Louis and Magdalena Rings Farm
- 134-25 Martin Luther King Jr. Library / Architect Leon Ransom Jr. (1929-1971)
- 135-25 Ohio Stadium Centennial “The Shoe” Turns 100
- 136-25 Summit Station
- 137-25 St. John African Methodist Episcopal Church / The Morris Addition
- 139-25 Ohio Baptist General Association Headquarters
- 1-27 Gallipolis
- 2-27 Morning Dawn Lodge No. 7 Free and Accepted Masons
- 3-27 Stone Water Towers of the Ohio Hospital For Epileptics
- 4-27 Hon. Samuel Finley Vinton
- 5-27 Ewington Academy
- 6-27 University of Rio Grande Founders: Nehemiah and Permelia Atwood
- 7-27 The Dunmore War 1774
- 8-27 The Silver Bridge Disaster / Silver Bridge Memorial
- 9-27 Bidwell
- 10-27 Pine Street Colored Cemetery
- 11-27 Charles E. Holzer Sr., M.D. (1887-1956)
- 12-27 U.S. Army General Hospital
- 13-27 The Landing of the Welsh in Gallipolis
- 14-27 Gallia County, Gallipolis and The Ohio River
- 15-27 The Lambert Land Settlement
- 16-27 Morgan’s Raid
- 17-27 New Hope Baptist Church
- 18-27 Robert L. “Bob” Evans (1918-2007)
- 19-27 The Homestead
- 20-27 The Village of Adamsville
- 21-27 Grandma Gatewood / “The Reward of Nature” by Emma “Grandma” Gatewood
- 1-28 Chardon Business District
- 2-28 Chardon Business District / Geauga County Courthouse
- 2-28 Chardon Business District / Geauga County Courthouse
- 3-28 Batavia House
- 4-28 Bainbridge Center Historic District
- 5-28 Great Geauga County Fair
- 6-28 Thompson Ledges / Thompson Ledges Park
- 7-28 Fowlers Mill Historic District / Fowlers Mill
- 8-28 Fowlers Mill Historic District / A.B. Carlson Building
- 9-28 Burton, Ohio-First Permanent Settlement in Geauga County / The Village Green
- 10-28 Burton Congregational Church
- 11-28 The Burton Village Historic District
- 12-28 The Second High School / The Burton Public Library
- 13-28 South Newbury Union Chapel
- 14-28 “Old” Chardon Post Office
- 14-28 First Congregational Church of Claridon UCC
- 14-28 Welton Cemetery
- 17-28 Chagrin Falls & Eastern Railway – Eastern Ohio Traction Company
- 18-28 Hanging Rock
- 1-29 Historic Little Miami River
- 2-29 Union Meeting House Organized in 1807 / Union Seminary Organized in 1809
- 3-29 Birthplace of Tecumseh
- 4-29 McDonald Stone Quarry
- 5-29 Historical Clifton
- 6-29 Moncure Daniel Conway / The Conway Colony
- 7-29 Clifton Gorge – A Feature of Ohio’s Glacial Past
- 8-29 Old Wilberforce University Campus at Tawana Springs
- 9-29 Galloway Hall
- 10-29 Galloway Log House / Xenia Tornado-April 3, 1974
- 11-29 Collins School
- 12-29 George Barrett Cement House – Poor Man’s Home, Rich Man’s Palace
- 13-29 Huffman Prairie Flying Field
- 15-29 Antioch College
- 16-29 Central State University
- 17-29 Hallie Quinn Brown
- 18-29 Brigadier General Benjamin Oliver Davis Sr.
- 19-29 Helen Hooven Santmyer
- 20-29 Martin Robison Delany
- 21-29 First Courthouse of Greene County
- 22-29 Wilberforce University / Distinguished Wilberforceans
- 23-29 Payne Theological Seminary Wilberforce, Ohio
- 24-29 Charles Young
- 25-29 Mormon Migration, Kirtland Camp / Facts About Kirtland Camp
- 26-29 Lt. Charles Young At Wilberforce University
- 27-29 Engle Mill Road Covered Bridge
- 28-29 Stevenson Road Covered Bridge
- 29-29 Virginia Hamilton
- 3-31 Robert Reily
- 4-31 The Founder
- 5-31 First National Correctional Congress / Declaration of Principles of 1870
- 7-31 Mariemont
- 8-31 Congress Green Cemetery / John Cleves Symmes
- 9-31 Garard/Martin Station, 1790
- 10-31 Vorhees Town / Plan of the Town of Reading
- 11-31 Anti-German Hysteria
- 12-31 1749 French Claims to Ohio River Valley
- 13-31 Maple Knoll Village
- 14-31 The Irish in Cincinnati
- 15-31 Greenhills
- 16-31 Newell School
- 17-31 White Water Shaker Village
- 18-31 The Sultana
- 19-31 Cincinnati Riots of 1884 / Sheriff Morton Lytle Hawkins
- 20-31 Cincinnati & Whitewater Canal Tunnel / William Henry Harrison and The Cincinnati & Whitewater Canal
- 21-31 Lochry’s Expedition, 1781 Interment Camp / Lochry’s Militia Held Here, 1781
- 22-31 Cincinnati’s German Heritage
- 23-31 The Cincinnati Observatory
- 24-31 Taft Museum of Art
- 25-31 Civic Organizations in Hazelwood (1941-2000)
- 26-31 Cincinnati Union Terminal
- 27-31 John James Audubon in Cincinnati
- 28-31 Waldschmidt Cemetery Camp Dennison, Ohio
- 29-31 Harriet Beecher Stowe
- 30-31 Stearns and Foster Company
- 31-31 Cary Cottage
- 32-31 Cincinnati Public Markets / The Northern Liberties
- 33-31 Findlay Market / General James Findlay (1770-1835)
- 34-31 Albert B. Sabin, M.D., 1906-1993
- 35-31 Robert S. Duncanson
- 36-31 Procter & Gamble
- 37-31 The Kroger Co. / Over-The-Rhine
- 38-31 Elizabeth Blackwell
- 39-31 The Betts House, 1804
- 40-31 Village of Glendale, 1855
- 41-31 Rabbi Isaac Mayer Wise and The Plum Street Temple
- 42-31 Ohio’s First Publicly Owned Water System
- 43-31 William Howard Taft / Robert Alphonso Taft
- 44-31 Hebrew Union College-Jewish Institute of Religion
- 46-31 The Jacob Rader Marcus Center of The American Jewish Archives
- 47-31 William Henry Harrison / Benjamin Harrison
- 48-31 Powhatan Beaty / Union Baptist Cemetery
- 49-31 The Madisonville Site
- 51-31 Public Library of Cincinnati and Hamilton County
- 52-31 George Washington Williams
- 53-31 Spring Grove Cemetery & Arboretum
- 54-31 Cincinnati Reds
- 55-31 Boyhood Home of Dr. Winthrop Smith Sterling
- 56-31 Lane Theological Seminary / The Lane Seminary Debates
- 57-31 Miss Doherty’s College Preparatory School for Girls
- 58-31 The Black Brigade of Cincinnati
- 59-31 First Glass Door Oven
- 61-31 Salmon Portland Chase
- 61-31 Woodward High School / School for Creative and Performing Arts
- 62-31 Sisters of Charity of Cincinnati
- 65-31 Gaines High School / Peter H. Clark
- 67-31 Colerain Turnpike Watering Trough
- 68-31 The Cincinnati and Hamilton Turnpike
- 69-31 The Colleges and Academies of College Hill
- 70-31 Old Saint Mary Cemetery
- 71-31 Morgan’s Raid through Springdale
- 72-31 Cincinnati Breweries
- 73-31 Walter Scott, Christian Pioneer
- 74-31 The First Link
- 75-31 Mt. Healthy Christian Church
- 76-31 Miller-Leuser Log House
- 77-31 Eckstein School 1915-1958
- 78-31 Ruth Lyons
- 79-31 Cincinnati Moonwatch Team / Cincinnati Astronomical Society
- 80-31 John T. Crawford’s Legacy
- 82-31 St. Aloysius Orphanage
- 83-31 Morgan’s First Skirmish in Ohio
- 84-31 Good Will Fresh Air Camp: “Good Will Fresh Air Farm Spells Happiness to Children; Adults”
- 85-31 Norwood High School
- 86-31 James Norris Gamble (1836-1932)
- 87-31 The Sisters of Notre Dame de Namur (SNDdeN) / (SNDdeN) Educational Works
- 88-31 Camp Joy
- 88-31 Inventor Obed Hussey Test His Reaper, 1835
- 89-31 Columbia Presbyterian & Fulton Cemeteries / William Brown
- 90-31 Clark Stone House
- 91-31 Daniel Drake, M.D.
- 92-31 The Orgins of Harvest Home
- 93-31 Xavier University Armory / Xavier University Armory
- 94-31 Peebles Corner / Peebles Corner
- 95-31 Christ Church Cathedral
- 96-31 Findlay Market Opening Day Parade (A)
- 96-31 Findlay Market Opening Day Parade (B)
- 97-31 Cincinnati Stock Exchange
- 98-31 Chestnut Street Cemetery / Two Centuries of Jewish Cincinnati
- 99-31 Cincinnati Federation of Colored Women’s Clubs / Cincinnati Federation Clubhouse
- 100-31 James Warren Rankin / Ohio’s Martin Luther King Jr. Holiday
- 101-31 Manse Hotel and Annex / Horace Sudduth (August 8, 1888-March 19, 1957)
- 102-31 Sara Mayrant Walker Fossett (1826-1906) / Peter Farley Fossett (1815-1901)
- 1-32 In Memory of William Bensinger and John R. Porter / The Andrews Raiders
- 4-32 Site of Fort Findlay
- 5-32 Hancock County Courthouse
- 6-32 Mt. Blanchard
- 7-32 The Village of Van Buren
- 8-32 The Village of McComb
- 9-32 Findlay College
- 10-32 McComb First Presbyterian Church
- 11-32 Village of Arlington / The Arlington Heritage
- 12-32 St. John’s Evangelical Lutheran Church
- 13-32 Village of Arcadia / The Arcadia Heritage
- 14-32 The Ohio Oil Company-Marathon Oil Co. / Gas Boom Era
- 15-32 Riverside Park / Old Mill Stream
- 16-32 Old Mill Stream Fairgrounds / Oesterlen Well Site
- 17-32 19th Century Freight Depot / Railroads of Hancock County
- 18-32 Rawson and the Railroads / The Rawson Heritage
- 19-32 Indian Green / McKinnis-Litzenberg Farmstead
- 20-32 The Underground Railroad of Hancock County
- 21-32 The Glass Industry of Findlay
- 22-32 Mason Chapel African Methodist Episcopal Church
- 23-32 William Ellsworth Hoy (1862-1961)
- 1-33 Hog-Creek Marsh
- 2-33 In memory of Jacob Parrott
- 3-33 Chief Roundhead’s Village
- 4-33 Old Sandusky Trail and Shawnee Ford
- 5-33 Mad River Railroad
- 6-33 Devil’s Backbone
- 7-33 Scioto Marsh
- 8-33 Fort McArthur Cemetery
- 9-33 Wheeler Tavern
- 10-33 Kenton Hardware Company
- 11-33 The Black and White Schoolhouse
- 12-33 Hull’s Trail
- 13-33 The Hardin County Courthouse
- 14-33 Ohio Northern University
- 15-33 Village of McGuffey / Great 1934 Onion Strike
- 16-33 Ada Passenger Depot, 1887
- 1-35 Prairie Des Mascoutins
- 2-35 Draining the Great Black Swamp
- 3-35 Civil War Camp Latty
- 5-35 Miami & Erie Canal and Napoleon’s First Cemetery / Miami & Erie Canal and Napoleon’s First Cemetery
- 6-35 Riverfront Industries Powered by Canal Water / How Napoleon Kept Its Name
- 7-35 Liberty Center, Ohio / Wabash Depot
- 1-39 Norwalk West Main Street Historic District
- 2-39 Norwalk West Main Street Historic District
- 3-39 Wakeman Red Cap Field
- 4-39 Early Catholic Missionary Settlement
- 5-39 Henry Morrison Flagler (1830-1913)
- 6-39 The Tremont House
- 7-39 Historic New Haven / Residents of Early New Haven, Ohio
- 8-39 Golden Age Nursing Home Fire / Killed in the Fire
- 9-39 Paul E. Brown Football Trailblazer and Innovator
- 2-40 Trails / The Kanawha Trail
- 4-40 John Wesley Powell (1834-1902) / Morgan’s Raid in Jackson, 1863
- 5-40 The Scioto Salt Licks / The Scioto Salt Works
- 6-40 James Cemetery / Major John James
- 7-40 The Jackson County Apple Festival / Commercial Apple Orchards in Jackson County
- 8-40 McKinley Park / William McKinley
- 9-40 53rd O.V.I. Regiment / Camp Diamond
- 10-40 Welsh-American Heritage Museum / Old Welsh Congregational Church
- 11-40 Evans Cemetery / The 1818 Welsh Pioneers
- 1-41 Federal Land Office
- 2-41 Steubenville’s Dean Martin
- 3-41 Fort Steuben
- 5-41 Benjamin Lundy Home / Free Labor Store
- 6-41 Ohio River Lock and Dam 10 Site
- 7-41 Secretary of War Edwin M. Stanton
- 8-41 Abraham Lincoln’s Visit to Steubenville
- 9-41 Giuseppe Moretti / Soldiers and Sailors Monument
- 10-41 Andrew Carnegie (1835-1919) / Carnegie Library of Steubenville
- 11-41 Society of Friends in Early Smithfield
- 12-41 William Pittenger Congressional Medal of Honor, 1863
- 13-41 Mooretown Soldiers Monument
- 14-41 Ohio Valley Steelworker Statue
- 1-42 Christ Church at the Quarry
- 2-42 Little Indian Fields
- 3-42 Mary Ann Ball (Mother Bickerdyke)
- 4-42 Johnny Appleseed’s Early Landholdings
- 5-42 Vallandigham’s Speech, 1863
- 6-42 John Crowe Ransom & The Kenyon Review
- 7-42 Kenyon College, Pioneer in Higher Education
- 8-42 Colonel Lorin Andrews “First to Fight”
- 9-42 Lakeholm Administration Building, Mount Vernon Nazarene University
- 10-42 General Daniel Harris Reynolds, C.S.A.
- 11-42 Knox County Poor Farm / Knox County Infirmary
- 12-42 Jane Payne, M.D. (1825-1882)
- 13-42 Home of the FFA Jacket
- 14-42 Stone Arch at Howard, Ohio
- 15-42 Ellamae Simmons, M.D. (1918-2019) / “The Goal Will Be Met, So Long As We Persevere”
- 16-42 Mt. Calvary Baptist Church
- 17-42 Wayman Chapel AME Church
- 2-43 James A. Garfield
- 3-43 Kirtland Temple
- 4-43 Mathews House
- 5-43 Fairport Harbor Lighthouse
- 6-43 Lake County YMCA
- 7-43 Hugh Mosher and the “Spirit of ’76”
- 8-43 The Willoughby University of Lake Erie, Medical College, 1834-1847 / Willoughby Female Seminary, 1847-1856
- 9-43 The Griffith Disaster, 1850
- 10-43 Mentor Avenue Historic District
- 11-43 Thomas W. Harvey (1821-1892)
- 12-43 The Casement House / General Jack and Frances Jennings Casement
- 13-43 Unionville Tavern / Unionville Tavern
- 15-43 Daniel Carter Beard
- 16-43 Henry Kelsey Devereau and “The Spirit of ’76”
- 17-43 Mentor Lagoons
- 18-43 Lake Shore & Michigan Southern Station
- 19-43 Rose Capital of The Nation
- 20-43 La Salle Expedition, 1669
- 21-43 Mormon Community
- 22-43 Rabbit Run Theater
- 23-43 Cora Gaines Carrel
- 24-43 Harry Coulby
- 25-43 Uri Seeley House 969 Riverside Drive
- 26-43 Pleasant Valley Road Bridge
- 27-43 Indian Point / The Whittlesey People
- 1-44 The Hanging Rock Iron Region / The Blast Furnaces of Lawrence County
- 2-44 The Waterloo Wonders / Waterloo’s Historic Wonder Five 1934 and 1935 Class B State Champions
- 3-44 Tanks Memorial Stadium / Ironton Tanks
- 4-44 Macedonia Missionary Baptist Church
- 5-44 John Campbell Memorial Home
- 6-44 City of Ironton – Founded 1849
- 7-44 Ironton-Lawrence County Memorial Day Parade
- 8-44 Olive Furnace
- 9-44 Macedonia Settlement Cemetery Front Line of Freedom
- 10-44 Union Baptist Church “How Can a house be built, except God build it.”
- #31-45 The George & Agnes Curry Farm / The Curry Farm Historic District
- 1-45 Hebron
- 2-45 Ohio Canal Ground-Breaking
- 3-45 Beard-Green Cemetery in the Dawes Arboretum
- 4-45 The Robbins Hunter Museum-Avery Downer House
- 5-45 Victoria Claflin-Woodhull-Martin / First Woman Candidate for President of the United States
- 6-45 The History of Licking Memorial Hospital
- 7-45 Bank of the Alexandrian Society
- 8-45 Alligator Mound
- 9-45 The Granville Academy / The Anti-Slavery Movement
- 10-45 Major General Charles Griffin
- 11-45 Major General William Starke Rosecrans / Bishop Sylvester Horton Rosecrans
- 12-45 Buckeye Lake Park “The Playground of Ohio”
- 13-45 Buckeye Lake
- 14-45 John Sparks Trail Blazer and Frontiersman
- 15-45 Outville
- 16-45 Flint Ridge
- 17-45 Bigelow Cemetery / Bigelow Cemetery War Veterans
- 18-45 A.H. Heisey Glass
- 19-45 Willoughby Dayton Miller, 1853- 1907
- 20-45 Conine Homestead
- 21-45 Old Colony Burying Ground 1805
- 22-45 Early Transportation in Newark
- 23-45 Founding of Granville, The Licking Company / The Granville Site “The most eligible part”
- 24-45 Pataskala Elementary School
- 25-45 An Early Center of Education / Educating Young Women
- 26-45 The Elias Gilman House / The Wee White House
- 27-45 Welsh Hills Cemetery / Welsh Hills Cemetery
- 28-45 Licking County Sheriff’s Residence & Jail
- 29-45 The Licking County Courthouse
- 30-45 Licking County TB Sanatorium / Licking County Health Department
- 1-46 Oldest Concrete Street in America
- 2-46 Earl S. Sloan 1848-1923
- 3-46 West Liberty / Glover Hall
- 4-46 William H. West 1824-1911
- 5-46 The Mills Brothers
- 6-46 Campbell Hill
- 7-46 Flatwoods Schoolhouse
- 8-46 Sandy Beach Amusement Park
- 9-46 Free Servicemen’s Canteen, 1942-1946
- 10-46 The Honorable William Lawrence (1819-1899)
- 11-46 Shawnee Nation in Logan County / Shawnee Villages in Logan County
- 12-46 The Railroad in Logan County / Railroad YMCA / Railroad YMCA
- 13-46 General Robert Patterson Kennedy
- 14-46 Ebenezer Zane Cabin
- 15-46 Indian Lake Spillway
- 1-47 Birthplace of Easter Seal Society
- 2-47 103rd Ohio Volunteer Infantry
- 3-47 King Solomon Lodge No. 56 Free and Accepted Masons
- 4-47 Founding of Lorain, Ohio
- 5-47 Myron T. Herrick (1854-1929) / Horr Cheese House, 1865
- 6-47 Norton S. Townshend, M.D. (1815-1895)
- 7-47 John Mercer Langston
- 8-47 The Lorain Tornado, 1924
- 9-47 The Burrell-King House
- 10-47 Helen Steiner Rice
- 12-47 Jay Terrell and his “Terrible Fish”
- 13-47 Oberlin College and Community Founded in 1833 / Abolitionism in Oberlin
- 14-47 Sandstone Center of the World
- 15-47 Burrell Homestead
- 16-47 Monteith Hall
- 17-47 Columbia Township
- 18-47 Lorain County Community College
- 19-47 Edgar F. “Daddy” Allen
- 20-47 Shipbuilding–Lorain’s First Industry
- 21-47 Charles M. Hall and Frank F. Jewett
- 22-47 Admiral Ernest J. King
- 23-47 Westwood Cemetery
- 24-47 Great Kipton Train Wreck
- 25-47 Lorain Station 100
- 26-47 Downtown Oberlin Historic District
- 27-47 Willard Van Orman Quine
- 28-47 Peter J. Miller House / Adam Miller & Family
- 29-47 Tragedy at 5th Street and Middle Avenue
- 30-47 Antoinette Brown Blackwell (1825-1921) and First Church in Oberlin
- 31-47 General Quincy Adams Gillmore
- 32-47 Lorain West Breakwater Lighthouse / Saving the Lorain Lighthouse
- 33-47 Village of South Amherst Town Hall
- 34-47 Beach Park Station / Beach Park Station
- 35-47 Ambassador William Graves Sharp
- 36-47 Toni Morrison, Lorain Native / Toni Morrison, Prize Winning Author
- 1-48 Presque Isle
- 2-48 House of Four Pillars
- 3-48 The Old Plantation
- 4-48 First Presbyterian Church
- 5-48 Wolcott House
- 6-48 Vistula Historic District
- 7-48 Toledo
- 8-48 The Oliver House
- 9-48 Erie and Kalamazoo Railroad / Toledo as a Rail Center
- 10-48 Port Lawrence / Fort Industry, 1805
- 11-48 The Toledo Zoo / The New Deal in Toledo
- 12-48 The Toledo Zoo / Toledo’s Canals
- 13-48 Toledo Museum of Art
- 14-48 Toledo’s First High School / Toledo-Lucas County Public Library
- 15-48 East Toledo
- 16-48 Birmingham – Ironville
- 17-48 The Glass Capital
- 18-48 Toledo’s Park System
- 19-48 The Blade
- 20-48 Toledo’s Canals
- 21-48 Lucas County
- 22-48 First Congregational Church
- 24-48 Medical College of Ohio
- 25-48 Toledo’s First Hospital
- 26-48 Canal Terminus / Manhattan
- 27-48 The University of Toledo
- 28-48 The University of Toledo
- 29-48 Original Site of Toledo’s Oldest Black Institution / Warren African Methodist Episcopal Church
- 30-48 Northern Light Lodge No. 40 Free and Accepted Masons
- 31-48 Miami & Erie Canal
- 32-48 Erie and Kalamazoo Railroad
- 33-48 The Old Territorial Road
- 34-48 The Polish Community in Toledo / St. Hedwig Parish, Sisters of St. Francis
- 35-48 Ohio Electric Railroad Bridge / Roche De Bout/Roche De Boeuf
- 36-48 Engine House Number One / Neptune Engine No. 1
- 37-48 Historic Woodlawn Cemetery
- 38-48 The Oak Openings Regions
- 39-48 Electric Auto-Lite Strike of 1934
- 40-48 John Pray – Founder of Waterville, Ohio / The Miami and Erie Canal
- 41-48 Art Tatum
- 42-48 Hines Farm Blues Club
- 43-48 Hindu Temple and Heritage Hall
- 44-48 Salem Lutheran Church / Salem Lutheran Church
- 45-48 Dempsey-Willard Fight “The Fight of the Century” / Dempsey-Willard Fight
- 46-48 Battle of Fallen Timbers
- 47-48 Moses Fleetwood Walker
- 48-48 St. Anthony Church
- 49-48 Browning Masonic Community
- 50-48 Peter Navarre 1790-1874 / Peter Navarre War of 1812
- 51-48 Ohio’s Last Ottawas
- 52-48 Lucas County Children’s Home
- 53-48 Mercy Hospital of Toledo / Mercy Hospital School of Nursing
- 54-48 Toledo and Western Railway Company
- 55-48 The Harroun Family Barn
- 56-48 The Toledo State Hospital Old Cemetery, 1888-1922
- 57-48 The Toledo State Hospital New Cemetery, 1922-1973
- 58-48 Roger T. Durbin, 1920-2000
- 59-48 Birthplace of Alexander Drabik
- 60-48 First Chartered Girl Scout Council in the United States
- 61-48 The 1894 King-Quale Elevator Fire
- 62-48 Centennial Terrace and Quarry / Fossil Park
- 63-48 41st Regiment of Foot – War Of 1812 / Private Patrick Russell
- 64-48 Wakeman Hall / Waterville Historical Society
- 65-48 Saint Lucas Evangelical Lutheran Congregation
- 66-48 Edward Drummond Libbey High School
- 67-48 Willys-Overland Finishing Plant
- 68-48 Ward’s Canal
- 69-48 The Ability Center
- 70-48 Westmoreland
- 1-50 Judge Turhand Kirtland
- 2-50 Ervin George Bailey
- 3-50 Maple-Dell Built 1848
- 4-50 Forest Glen Estates Historic District
- 5-50 The Independent Order of Odd Fellows Canfield Lodge No. 155
- 6-50 St. James Episcopal Church
- 7-50 Lot 17, Friends Burying Grounds
- 8-50 Friends Burying Grounds, 1807-1843
- 9-50 Hopewell Furnace
- 10-50 Warner Brothers
- 11-50 Pioneer Pavilion / Mill Creek Furnace
- 12-50 Southern Park Stables
- 13-50 Old Mahoning County Courthouse
- 14-50 Zion Lutheran and Reformed Churchyard
- 15-50 The Little Steel Strike of 1937
- 16-50 Oscar D. Boggess Homestead / Boggess Quarry
- 17-50 Poland Academy and Poland Seminary
- 18-50 Newport Village Historic District
- 19-50 Canfield Congregational Church / Canfield United Methodist Church
- 20-50 Canfield War Vet Museum
- 21-50 Canfield Green
- 22-50 Canfield Christian Church
- 23-50 Canfield WPA Memorial Building
- 24-50 The Mahoning Dispatch Building
- 25-50 Canfield Township Hall
- 26-50 St. Augustine Episcopal Chapel
- 27-50 The Old Stone Tavern
- 28-50 Canfield Cemetery
- 29-50 Canfield Fair
- 30-50 Dean Hill Cemetery and Disciple Church Site
- 31-50 Elisha Whittlesey
- 32-50 Crandall Park-Fifth Avenue Historic District
- 33-50 Harry Burt and Good Humor / Ross Radio Company
- 34-50 St. Elizabeth Hospital
- 35-50 President William McKinley Boyhood Home
- 36-50 Central Square (1900-2004) / Stambaugh Building
- 37-50 Central Square (1798-1899) / Union National Bank Building
- 38-50 Mahoning National Bank Building / Central Tower
- 39-50 Civil War Soldiers’ Monument / Realty Building
- 40-50 The Village Green and Graveyard / Poland Presbyterian Church
- 41-50 Erie Terminal Building / Gustave Hamory
- 42-50 Poland Village / Poland Town Hall
- 43-50 Little Red Schoolhouse in Poland Township / Poland Township
- 44-50 “Dino” Sings at Craig Beach
- 45-50 Kyle-McCollum House
- 46-50 The Frankfort House
- 47-50 Camp Stambaugh
- 2-51 Boyhood Home of Warren G. Harding
- 3-51 Jacob’s Well
- 4-51 Claridon Prairie
- 5-51 Norman Mattoon Thomas
- 6-51 Marion County Courthouse
- 7-51 Home of the Oorang Indians, NFL’s Most Colorful Franchise
- 8-51 The “Old Blockhouse” Site
- 9-51 World War II Displacement
- 10-51 Harrison Military Road, War of 1812
- 11-51 Marion Mausoleum
- 12-51 The Marion Engineer Depot
- 13-51 Marion Steam Shovel
- 14-51 Camp Marion, World War II Prisoners of War, 1944-1946
- 15-51 Scioto Ordnance Plant Site
- 16-51 Cummin’s Home
- 17-51 Old Marion Cemetery- Also known as the Quarry Street or Pioneer Cemetery
- 18-51 Marion Women’s Club Home
- 1-52 The Giants of Seville
- 2-52 Judge Samuel Hinckley 1757-1840 / John Brongers 1843-1932
- 3-52 Skypark
- 4-52 Heritage Farm
- 5-52 Elm Farm Dairy
- 6-52 Liverpool Township / Liverpool and Valley City
- 7-52 Weymouth School
- 8-52 Litchfield Town Band
- 9-52 Saint Paul’s Episcopal Church
- 10-52 Brunswick United Methodist Church
- 11-52 Johnson House Museum / Carriage Factory
- 12-52 First Congregational Church of Medina
- 13-52 First Congregational Church of Weymouth
- 14-52 Root Homestead & A. I. Root (1839-1923)
- 1-53 First Ohio Invasion
- 2-53 Captain Joseph C. McElroy
- 4-53 Middleport Medal of Honor Recipients
- 5-53 Morgan’s Raid Route / Chester Village Commons
- 6-53 Morgan’s Raid Route
- 7-53 Morgan’s Raid Route- The Bridge at Leading Creek
- 8-53 Morgan’s Raid Route – The “continued fight” near Pomeroy
- 9-53 Morgan’s Raid Route – The Deaths of Hysell and Hudson
- 10-53 Brewster Higley VI (1823-1911)
- 11-53 Morgans Raid Route – Skirmish at Bashan Church
- 12-53 Morgan’s Raid Route Pursuers converge on Pomeroy / Meigs County Courthouse
- 13-53 General James V. Hartinger
- 14-53 George Sumner Huntington
- 15-53 Birthplace of Ambrose Bierce
- 16-53 The Ohio River / Historic Middleport
- 17-53 Village of Pomeroy
- 18-53 Meigs County Fairgrounds
- 19-53 James Edwin Campbell
- 20-53 Major John B. Downing
- 21-53 Rear Admiral William W. Outerbridge
- 1-55 1804 Quaker Meetinghouse
- 2-55 The Old National Road
- 3-55 John Johnston
- 4-55 Piqua’s Early African-American Heritage / Goodrich Giles
- 5-55 Lock Nine
- 6-55 Battle of Pickawillany, 1752
- 7-55 WACO Aircraft Company (Weaver Aircraft Company)
- 8-55 Bradford Fire of 1920
- 10-55 Rural Electrification
- 11-55 Piqua’s Vietnam Home Front / William H. Pitsenbarger
- 12-55 USAF Pararescue Memorial Parkway
- 13-55 Junior Girls Canteen, 1943-1946
- 14-55 Forest Hill Union Cemetery
- 15-55 Overfield Tavern
- 16-55 Thomas Cemetery / Abraham Thomas
- 17-55 Brown Township School District #6 (Allen’s School)
- 18-55 J. Scott Garbry
- 19-55 Eldean Covered Bridge
- 20-55 Hanktown
- 21-55 Pennsylvania Railroad “BF” Tower
- 22-55 1804 Iddings Log House
- 23-55 Brigadier General John Webb
- 24-55 Miami and Erie Canal Lock 15
- 25-55 Michael Ingle
- 26-55 Elizabeth Township
- 27-55 The Village of Huntersville
- 28-55 Randolph Settlement / Jackson Cemetery (African)
- 29-55 Johnston Barn
- 30-55 Phoneton
- 31-55 Charles Furnas, 1880-1941
- 32-55 William Moore McCulloch / Civil Rights Movement in Piqua
- 33-55 Miami and Erie Canal – Footprint of Lock 12
- 34-55 Bradford
- 34-55 Bradford
- 1-56 Beallsville/Monroe County Honors Vietnam War Casualities
- 2-56 Frederick Kindelberger Stone House and Barn
- 3-56 Sardis Historic Town Pump
- 4-56 Sad Sam Jones, 1892-1966 / Mary Weddle-Hines
- 5-56 Bent, Zigzag, and Crooked The Bellaire, Zanesville, and Cincinnati Railroad
- 6-56 Fly Landing of the Sistersville Ferry
- 1-57 Germantown Covered Bridge
- 2-57 Mad River Road / Road from Cunningham’s to Mad River (A)
- 3-57 The Birth of Aviation
- 4-57 Charles F. Kettering
- 5-57 Erma Bombeck
- 6-57 Watervliet Shaker Community
- 7-57 Wright Field
- 8-57 Paul Laurence Dunbar
- 9-57 Site of First Game in the NFL
- 10-57 The Village of Tadmor / The National Road
- 11-57 Brigadier General Edmund Munger
- 12-57 Dayton Masonic Temple
- 13-57 Woody’s Market
- 14-57 Wayman Chapel African Methodist Episcopal Church
- 15-57 Winter Zellar (Zero) Swartsel, The Bottle Farm
- 16-57 Natalie Clifford Barney
- 17-57 The Wright Seaplane Base / Wright Model G “Aeroboat”
- 18-57 Lewis & Elizabeth Kemp Homestead
- 19-57 Heritage Village
- 20-57 Euclid Avenue United Brethren Church / Mount Enon Missionary Baptist Church
- 21-57 Sister Dorothy Stang SNDdeN (1931-2005)
- 22-57 Cassano’s Pizza King
- 23-57 St. Paul Lutheran Church Dog Leg Road, Dayton
- 24-57 Josephine and Hermene Schwarz
- 25-57 Charity Adams Earley
- 26-57 Woodland Cemetery and Arboretum / Woodland Notables
- 27-57 McCook Field Cradle of Aviation Innovation / McCook Field Cradle of Aviation Innovation Ca. 1917
- 28-57 Katharine Kennedy Brown
- 29-57 Miamisburg in the Great Flood of 1913
- 30-57 Henderson’s Printing
- 31-57 The Dayton Art Institute Centennial
- 32-57 Slifers Presbyterian Church
- 33-57 Troutman Sound Labs
- 34-57 Triangle Park “A Gathering Place”
- 35-57 Dayton VA Medical Center
- 36-57 Site of Mound Laboratory (1946-2003)
- 37-57 Dayton Woman’s Club
- 1-58 Morgan County Dungeon
- 2-58 Brick Church and Cemetery
- 3-58 Two River Towns: McConnelsville and Malta
- 4-58 Morgan’s Raid
- 5-58 Two Riverboat Pilots
- 6-58 Lelia Morris & Trinity Methodist Episcopal Church
- 7-58 The Stockport Mill
- 8-58 Howard Chandler Christy (1872-1952)
- 9-58 Morgan County
- 10-58 Miner’s Memorial Park
- 11-58 Big Bottom Massacre
- 12-58 Frances Dana Gage / Mount Airy Mansion
- 13-58 First McConnelsville Christmas Tree
- 14-58 Evelyn True Button House
- 15-58 Quaker Meeting House
- 16-58 First Presbyterian Church
- 17-58 Rock Hollow School
- 18-58 Maple Grove Farm
- 19-58 Underground Railroad / Underground Railroad in Morgan County
- 20-58 General Otho French Strahl, CSA
- 1-60 Salt Creek Bridge / Timber Covered Bridge
- 2-60 S-Bridge
- 3-60 Y-Bridge
- 7-60 Second Capital of Ohio
- 8-60 The Muskingum River Flows North
- 9-60 The Muskingum River Locks
- 10-60 Birthplace of Thomas A. Hendricks
- 11-60 The Stone Academy
- 12-60 Zane’s Trace
- 13-60 Zane Grey “Father of the Western Novel”
- 14-60 Architect Cass Gilbert
- 15-60 First Traffic Fatality in Ohio / The National Road
- 16-60 Roseville Pottery Company 1890-1954 Linden Avenue Plant
- 17-60 The Lett Settlement
- 18-60 Anti-Slavery Tensions in Muskingum County
- 19-60 Nelson McCoy Pottery Company 1910-1990
- 1-62 First Battle Site
- 2-62 Johnson’s Island
- 3-62 Erie Proving Ground
- 4-62 Camp Perry
- 5-62 First Ship-To-Shore Radio Broadcast
- 6-62 The Keeper’s House
- 7-62 Israel Harrington and Elmore
- 8-62 Gibraltar Island
- 9-62 South Bass Island Light
- 10-62 Ottawa County Courthouse
- 11-62 Lake Erie – A Feature of Ohio’s Water Resources
- 12-62 Magee Marsh Wildlife Area – A Feature of the Great Black Swamp
- 13-62 Joseph De Rivera St. Jurgo, 1813-1889
- 14-62 Jay Cooke Mansion
- 15-62 Lakeside – “The Chautauqua of Lake Erie”
- 16-62 World’s Shortest Airline
- 17-62 The Lakeside Volunteer Fire Protective Association / The Fire of October 20, 1929
- 18-62 The Light / The Keepers of the Light
- 19-62 Railroad Importance to Camp Perry
- 20-62 Genoa Town Hall & Opera House / Genoa Town Hall & Opera House
- 21-62 Holy Assumption Orthodox Church / Immigrants of Ottawa County
- 22-62 Ohio State Highway Patrol Commemorating the First Graduating Class of the Ohio State Highway Patrol, November 15, 1933 / Instilling Core Values for 90 Years 1933-2023
- 1-64 The Sheridan Monument / 1829 Courthouse
- 2-64 A Seed of Catholic Education in Ohio / The Cradle of Catholicity in Ohio
- 3-64 Milligan – Ohio’s Icebox
- 4-64 Mariah Storts Allen
- 5-64 First Catholic Church in Ohio
- 6-64 First Lutheran Synod
- 7-64 General Philip Henry Sheridan
- 8-64 Zion Reformed Church
- 9-64 Robinson’s Cave
- 10-64 Jacob Miller’s Tavern
- 11-64 Rendville, Breaking the Color Barrier
- 12-64 World’s Greatest Mine Fire / World’s Greatest Mine Fire
- 13-64 Knights of Labor Opera House / Knights of Labor Opera House
- 14-64 Randolph Mitchell House / Reading Township, Perry County
- 15-64 Richard L. Davis: The Sage of Rendville / Richard L. Davis: The Sage of Rendville
- 1-65 Zieger House
- 2-65 The Deercreek Frontier / Williamsport and Deercreek Twp.
- 3-65 Prehistoric Circular Earthworks / The Squaring of Circleville
- 4-65 Ted Lewis, 1890-1971 “Is Everybody Happy?” / Circleville’s Ted Lewis
- 5-65 Camp Circleville-90th Ohio Volunteer Infantry / Camp Circleville-114th Ohio Volunteer Infantry
- 6-65 Treaty of Camp Charlotte
- 7-65 Grenadier Squaw Village / Cornstalk Town
- 8-65 Political Meeting at Second Baptist Church
- 9-65 Caleb Atwater / Caleb Atwater
- 10-65 Chief Logan
- 11-65 Major General William Sooy Smith
- 1-67 Silver Creek Cheese Factory
- 3-67 Benjamin Tappan Jr. (1773-1857)
- 3-67 Old Stagecoach Inn / Historic Palmyra Center
- 4-67 Ephraim Root
- 5-67 Hart Crane, American Poet
- 6-67 Hiram College, Western Reserve Eclectic Institute, 1850
- 7-67 Oliver and Rosetta Snow
- 8-67 Kent State University : May 4, 1970
- 9-67 Mogadore
- 10-67 Mantua Center Historic District
- 11-67 Maple Industry in Garrettsville, Ohio
- 12-67 The Church in Aurora
- 13-67 Atwater Coal Company Mine Disaster
- 14-67 “Creepy” Karpis and The Last Great Train Heist
- 15-67 Ebenezer Sheldon / Ebenezer Sheldon
- 16-67 Geauga Lake
- 17-67 Goodyear’s Wingfoot Lake Airship Hangar
- 18-67 Cleveland & Mahoning Railroad Randall Secondary / Aurora Train Station
- 19-67 The Chillicothe Turnpike
- 1-68 Roberts Bridge / Timber Covered Bridges
- 2-68 Site of Fort St. Clair
- 3-68 Bunker Hill House
- 5-68 The Union School 1893-2004 / The Union County-College Corner Joint State School District
- 6-68 William Bruce (1762-1830)
- 7-68 Historic Hopewell / Historic Hopewell Cemetery
- 8-68 Preble County Courthouse / Preble County Courthouse
- 9-68 Van Ausdal-Donohoe House
- 10-68 Old Camden Orchard Hill Cemetery / Old Camden Orchard Hill Cemetery
- 1-69 Columbus Grove Municipal Pool
- 2-69 Artist Emerson Burkhart
- 3-69 Native Americans in Ottawa
- 4-69 Frances Rappaport Horwich
- 5-69 The Miller City Wildcats / The “Cinderella Kids” of 1950
- 6-69 Bridenbaugh District No. 3 School / Bridenbaugh District No. 3 School
- 7-69 The Putnam County Historical Society / Pioneer Days in Kalida
- 1-70 First Religious Service
- 2-70 General James Hedges
- 3-70 Johnny Appleseed’s Run for Reinforcements
- 4-70 The Ohio State Reformatory
- 5-70 Hemlock Falls / The Groveport River
- 6-70 John Sherman, 1823-1900 / The Sherman Anti-Trust Act
- 8-70 Louis Bromfield / Malabar Farm
- 9-70 Johnny Appleseed’s Town Lot
- 10-70 Ohio Standard Baseline
- 30-29 Ballard Road Covered Bridge
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