Search Results for the EPA National Library Catalog

Items Found: 4
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Your Search: (SUBJECT=Geology Stratigraphic Maps)

Select Item Title Year Published
Depth and thickness of selected units in Upper Permian, Upper Jurassic, and Lower Cretaceous rocks in southwestern Kansas 1983
Depth to bedrock in North Dakota / 1986
Greater Pittsburgh region maps of mined-out areas and thickness of rock over the Pittsburgh coal / 1975
Greater Pittsburgh region, thickness of rocks over the Upper Freeport coal / 1976

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