Subject: Geology, Stratigraphic / Year: 1992 / Format: cartographic image - Yale University Library GeoBlacklight Search Results

Start Over Subject Geology, Stratigraphic Year 1992 Format cartographic image

1. Correlation of middle Jurassic and related rocks from Ouray to Black Canyon, western Colorado [cartographic material]

1992. 2002-06-01T04:00:00Z. 2016-07-20T21:24:08Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by Map Distribution. English. cartographic image. Public. Colorado, Ouray Region, and Black Canyon of the Gunnison National Monument Region. Jurassic.

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.