Author: Cohee, George Vincent, 1907- / Subject: Geology, Stratigraphic - Yale University Library GeoBlacklight Search Results

Start Over Author Cohee, George Vincent, 1907- Subject Geology, Stratigraphic

1. Sections and maps of Lower Ordovician and Cambrian rocks in the Michigan Basin, Michigan and adjoining areas

1945. 2018-02-20T15:02:08Z. 2018-02-20T15:02:08Z. Cohee, George Vincent, 1907-. U.S. Geological Survey. English. cartographic image. Public. Michigan Basin (Mich. and Ont.), North America, and Michigan Basin. Ordovician, Cambrian, and From 425 to 570 million years ago.

2. Thickness and lithology of Upper Devonian and Carboniferous rocks in Michigan

1951. 2018-01-23T15:55:42Z. 2018-01-23T15:55:42Z. Cohee, George Vincent, 1907-. U.S. Dept. of the Interior, Geological Survey. English. cartographic image. Public. Lower Peninsula (Mich.), Michigan, Lower Peninsula, and Lower Peninsula. Devonian, Carboniferous, and From 280 to 405 million years ago.

3. Thickness and lithology of Upper Ordovician and Lower and Middle Silurian rocks in the Michigan Basin

1948. 2018-01-30T14:30:37Z. 2018-01-30T14:30:37Z. Cohee, George Vincent, 1907-. U.S. Geological Survey. English. cartographic image. Public. Michigan Basin (Mich. and Ont.), North America, and Michigan Basin. Ordovician, Silurian, and From 405 to 500 million years ago.