Map of St. Marys River Basin showing availability of underground water
Prepared by ALFRED C. WALKER, Geologist, Ohio Division of Water, from data compiled by Lawrence R. Brunstetter.
Scale bar lower right corner of map.
Text includes information about generalized stratigraphic sequence of the rocks in the St. Marys Basin, quality of underground water, and a summary.
Map side also contains legend and explanation of map symbols.
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