Subject: Geology / Temporal Coverage: Mississippian - Yale University Library GeoBlacklight Search Results

Start Over Subject Geology Temporal Coverage Mississippian

1. Structure contour maps on the base of Mississippian strata and the top of upper Cambrian strata, Springfield 1⁰?x 2⁰ quadrangle, Missouri

1989. 2002-06-01T04:00:00Z. 2004-04-05T13:41:13Z. Geological Survey (U.S.). The Survey ; a Denver, CO : For sale by Map Distribution. English. Public. Missouri. Mississippian and Cambrian.

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.