Publisher: U.S. Geological Survey / Temporal Coverage: Silurian - Yale University Library GeoBlacklight Search Results

Start Over Publisher U.S. Geological Survey Temporal Coverage Silurian

1. Oil and gas data from Devonian and Silurian rocks in the Appalachian Basin [cartographic material]

1975. 2013-08-27T17:29:06Z. 2013-09-04T19:52:20Z. De Witt, Wallace, Jr., 1920-2012. U.S. Geological Survey. English. Public. Appalachian Basin. 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.