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Altitude, depth, and thickness of the Galena-Platteville bedrock unit in the subcrop area of Illinois and Wisconsin / by Timothy A. Brown, Charles P. Dunning, and Jennifer B. Sharpe.

Geological Survey (U.S.), (cartographer.). Brown, Timothy A., (cartographer.). Dunning, C. P., (cartographer.). Sharpe, Jennifer B., (cartographer.). United States. Environmental Protection Agency. (Added Author).

Record details

  • Physical Description: 1 online resource (7 maps on 4 sheets) : color.
  • Publisher: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2000.
  • Distributor: Denver, Colorado : Information Services

Content descriptions

General Note:
Relief shown by contours and gradient tints.
Includes location map.
Prepared in cooperation with the U.S. Environmental Protection Agency.
Bibliography, etc. Note:
Includes bibliographical references (sheet 1).
Source of Description Note:
Description based on online resource; title from PDF title page (USGS, viewed Jan. 2, 2019).
Subject: Formations (Geology) > Middle West > Maps.
Aquifers > Middle West > Maps.

Series Information

Water-resources investigations report

Additional Resources