Geological Survey (U.S.), United States. Environmental Protection Agency, & Batten, W. G. (1997). Rock-stratigraphic nomenclature, lithology, and subcrop area of the Galena-Platteville bedrock unit in Illinois and Wisconsin. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), United States. Environmental Protection Agency, and W. G. Batten. Rock-stratigraphic Nomenclature, Lithology, and Subcrop Area of the Galena-Platteville Bedrock Unit in Illinois and Wisconsin. [Reston, Va.]: The Survey, 1997.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Rock-stratigraphic Nomenclature, Lithology, and Subcrop Area of the Galena-Platteville Bedrock Unit in Illinois and Wisconsin. The Survey, 1997.
Warning: These citations may not always be 100% accurate.