Subject: Geology, Stratigraphic / Year: 1951 - Yale University Library GeoBlacklight Search Results

1. Magog-Weedon, Quebec [cartographic material]

1951. 2012-07-25T14:22:25Z. 2012-07-25T14:45:07Z. Cooke, H. C. Geological Survey of Canada. English. Public. Québec (Province), Sherbrooke Region, Magog Region, and Weedon-Centre Region. Paleozoic.

2. Stratigraphy of the Late Devonian Perrysburg formation in western and west-central New York

1951. 2018-01-23T15:39:00Z. 2018-01-23T15:39:00Z. Pepper, James F. U.S. Dept. of the Interior, Geological Survey. English. cartographic image. Public. New York (State), New York (State), Western, and New York, Western. Devonian and From 345 to 405 million years ago.

3. 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.