1834. Young, J. H. (James Hamilton). Sold by Mitchell & Hinman.;Includes table of steamboat routes.; Vicinity of Detroit, Vicinity of Cincinnati, Falls of Ohio, Lead region east of the... S. Augustus Mitchell (Philadelphia).
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1830. Young, J. H. (James Hamilton). Middle West--Maps.
1837. Mitchell, S. Augustus (Samuel Augustus), 1792-1868 and Young, J. H. (James Hamilton). Sold by Mitchell & Hinman...;Falls of Ohio;Includes table of "Steam boat routes."; Vicinity of Detroit;Lead region east of the Mississippi River.; ... S. Augustus Mitchell (Philadelphia), c1834.
1962. Walker, Alfred C. Prepared by ALFRED C. WALKER, Geologist, Ohio Division of Water Map side also contains legend and explanation of map symbols. Scale bar lower right... Ohio. Division of Water.
1960. Walker, Alfred C. Prepared by ALFRED C. WALKER, Geologist, Ohio Division of Water Text includes information about generalized stratigraphic sequence of the rocks in ... Ohio. Division of Water.
1962. Pree, Henry L. (Henry Louis), 1917-. Map side also contains legend and explanation of map symbols. Text includes information about generalized stratigraphic sequence of the rocks in th... Ohio. Division of Water.
1960. Walker, Alfred C. Prepared by ALFRED C. WALKER, Geologist, Ohio Division of Water Text includes information about generalized stratigraphic sequence of the rocks in ... Ohio. Division of Water.
1962. Stein, Russell B. Prepared by RUSSELL B. STEIN, Geologist, Ohio Division of Water Map side also contains legend and explanation of map symbols. Scale bar lower right... Ohio. Division of Water.
1962. Stein, Russell B. Prepared by RUSSELL B. STEIN, Geologist, Ohio Division of Water Map side also contains legend and explanation of map symbols. Scale bar lower right... Ohio. Division of Water.
1962. Walker, Alfred C. Map side also contains legend and explanation of map symbols. "Prepared by ALFRED C. WALKER, Geologist, Ohio Division of Water" Text includes infor... Ohio. Division of Water.