Geological map of parts of Minnesota and Wisconsin

Geological map of parts of Minnesota and Wisconsin. Designed to show portions of the Rock formations now concealed by drift. By J.G. Norwood. Drawn by J. Chappell smith. (to accompany) Illustrations to the Geological Report of Wisconsin, Iowa, and Minnesota. (with) Report of a Geological Survey of Wisconsin, Iowa and Minnesota ... 1852.

Owen, David Dale

1852

1852

Lippincott, Grambo & Co.

1:3 100 000

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