Temporal Coverage: Silurian / Format: cartographic image - Yale University Library GeoBlacklight Search Results

Start Over Temporal Coverage Silurian Format cartographic image

1. Geologic map of the Catskill and Kaaterskill quadrangles

1942. 2018-08-07T12:59:21Z. 2020-08-14T18:08:35Z. The University of the State of New York. English. cartographic image. Public. New York (State), Catskill Mountains, and Catskill Mountains (N.Y.). Devonian and Silurian.

2. 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.