1960. 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.
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1960. Pree, Henry L. (Henry Louis), 1917-. Text includes information about generalized stratigraphic sequence of the rocks in the lower portion of the Grand River Basin and the quality of un... Ohio. Division of Water.
12413. Map of the Lower portion of the Hocking River Basin showing availability of underground water
1958. Walker, Alfred C. Prepared by ALFRED C. WALKER, Geologist, Ohio Division of Water Map side also contains legend and explanation of map symbols. Text includes informa... Ohio. Division of Water.
12414. Map of the lower portion of the Mahoning River Basin showing availability of underground water
1960. Cummins, James W. 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.
12415. Map of the lower portion of the Sandusky River Basin showing availability of underground water
1962. Stein, Russell B. Text includes information about generalized stratigraphic sequence of rocks in the Lower portion of the Sandusky River Basin and the quality of und... Ohio. Division of Water.
1962. Pree, Henry L. (Henry Louis), 1917-. Map side also contains legend and explanation of map symbols. "Prepared by HENRY L. PREE, JR., Geologist, Ohio Division of Water" Text includes inf... Ohio. Division of Water.
1962. Walker, Alfred C. Text includes information about generalized stratigraphic sequence of the rocks in the Lower Wills Creek Basin and quality of underground water. Sc... Ohio. Division of Water.
1898. Sanborn Map Company. Scale [1:2,400]. 200 ft. to 1 in. Also shows factories, commercial occupancy of buildings, and property boundaries. Fire insurance map hand colored... Sanborn-Perris Map Co.
1921. Canada. Topographical Survey. Base map from chief cartographer's map of Canada; corrected to January 1921.; Includes location map. 74 x 60 centimeters Scale [1:2,217,600] 35 mil... Surveyor General's Office (Ottawa).
1907. Blatchley, W. S. (Willis Stanley), 1859-1940. Shows good, fair, and light oil territory, undrilled territory, gas wells, dry holes or salt water wells, abandoned territory, and pumping stations... Indiana Department of Geology and Natural Resources and William B. Burford.