Revision of 1939 by E. F. Bean Color 1:1,000,000

Revision of 1949 by E. F. Bean Color 1:1,000,000

Revision of 1949 / by E. F. Bean Includes notes.; "Reprinted 1965." Map shows: geologic periods, drift borders, counties, place names, railroads, prominent water features, etc. Color 1:1,000,000

Revision of 1928 by E. F. Bean Color 1:1,000,000

"Key to index map" (bibliography of 82 maps) in margin. Color 1:750,000

On verso: "Short geologic history of Wisconsin, 1963." Color; 1:2,750,000

"T.C. Chamberlin, geologist in charge."; In upper margin: U.S. Geological Survey. Professional paper 106, Plate I. Color; 1:250,000

Prime meridian: Greenwich.; Include 3 cross-sections.; "Plate No. I." "For greater detail and accuracy see Atlas."; "Plate No. II." "Doren Wehrley Collection." Color

Prime meridian: Greenwich.; Include 3 cross-sections.; "Plate No. I." "For greater detail and accuracy see Atlas."; "Plate No. II." "Doren Wehrley Collection." Color 1:960,000

Insets show depth to bedrock, author responsibility, and map keyed to principal sources of map information; idealized cross section.; Includes "Principal sources of map information" and "Sources of ot…

Descriptive text on verso of map. Color; 1:1,000,000

"After Trotta and Cotter, 1973." Color;

"In cooperation with the Office of State Planning and Energy." Color; 1:2,851,200

On verso: Short geologic history of Wisconsin. Color; 1:2,851,200

Relief shown by contours and spot heights.; "Base from U.S. Geological Survey, 1:250,000 quadrangle maps ..."; Cartography by D.L. Patterson.; Includes col. cross-section, index map, and ancillary map…

"April 1981."; On verso: "Geologic history of Wisconsin's bedrock." Color; 1:2,700,000

Includes text, geologic cross section showing ground between La Crosse and Milwaukee and diagram "What's under Milwaukee?"; "M502/2011." Color;

Grayscale; 1:2,500,000

Text on verso. Color; 1:2,640,000