Map of the Ashtabula River and Conneaut Creek Basins and adjacent Lake Erie tributaries showing availability of underground water
Prepared by HENRY L. PREE, JR. Geologist, Ohio Division of Water
Map side also contains legend and explanation of map symbols.
Text includes information about generalized stratigraphic sequence of the rocks in the Ashtabula River and Conneaut Creek Basins and the quality of underground water.
Scale bar lower right corner.
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