Subject: Mississippian Geologic Period - Yale University Library GeoBlacklight Search Results

Start Over Subject Mississippian Geologic Period

1. Paleocurrent maps for the Upper Devonian and Lower Mississippian Endicott Group, Brooks Range, Alaska [cartographic material]

1980. 2002-06-01T04:00:00Z. 2023-01-06T04:04:24Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Alaska and Alaska. Paleozoic, Devonian, Mississippian, and From 230 to 570 million years ago.

2. The stratigraphic relationship of the Berea, Corry, and Cussewago sandstones in northeastern Ohio and northwestern Pennsylvania

1946. 2018-01-23T14:42:00Z. 2018-01-23T14:42:00Z. De Witt, Wallace, Jr., 1920-2012. U.S. Geological Survey. English. cartographic image. Public. Pennsylvania, Ohio, Ohio., and Pennsylvania. Mississippian and From 310 to 345 million years ago.