Upper part is Huron shale with concretion. Lower part is Olentangy shale. Southwest of Lewis Center, Ohio. 1911.
Dates
Date Taken
1911-08-17
Summary
Two miles southwest of Lewis Center, Ohio. Upper part is Huron shale with concretion. Lower part is Olentangy shale. Hammer in middle of picture at contact. Dublin quadrangle. Ohio. August 17, 1911.
Summary
Two miles southwest of Lewis Center, Ohio. Upper part is Huron shale with concretion. Lower part is Olentangy shale. Hammer in middle of picture at contact. Dublin quadrangle. Ohio. August 17, 1911.
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