Subject: Geology / Spatial Coverage: Middle West. - Yale University Library GeoBlacklight Search Results

Start Over Subject Geology Spatial Coverage Middle West.

1. Geological map of the Middle and Western states

1843. 2018-05-31T16:25:31Z. 2018-05-31T16:25:31Z. Hall, James, 1811-1898. Endicott. English. cartographic image. Public. United States, Middle West, Great Lakes (North America), Atlantic States, Great Lakes., Middle West., United States., and Atlantic States.

2. Maps showing areal extent of selected Paleozoic shales in the northern midcontinent, U.S.A.

1992. 2002-06-01T04:00:00Z. 2016-05-17T16:22:16Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by Map Distribution. English. cartographic image. Public. Middle West and Middle West. Paleozoic and From 230 to 570 million years ago.