Remarkable Ohio

Serpent Mound Marker
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7-33 Marker

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Side A: Scioto Marsh. The Scioto Marsh, the largest of three extensive marsh areas in western Hardin County, was formed in the low basins left by the last retreating glacier 10,000 years ago. It covered more than 16,000 acres and was thought to be a source of malaria by the early settlers. A drainage project was begun in 1859, and the remaining peat-ladened soil helped make this rich agricultural area. Side B: Same. Same