Rock-stratigraphic nomenclature, lithology, and subcrop area of the Galena-Platteville bedrock unit in Illinois and Wisconsin.

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.), United States. Environmental Protection Agency
Other Authors:	Batten, W. G.
Format:	Government Document Map
Language:	English
Published:	[Reston, Va.] : The Survey, [1997?]
Series:	Water-resources investigations report ; 97-4054-B.
Subjects:	Geology, Stratigraphic > Nomenclature. Geology, Structural > Wisconsin > Platteville Region > Maps. Geology, Structural > Illinois > Galena Region > Maps.

Evans: US Documents (Annex 5th floor)