Author: De Witt, Wallace, Jr., 1920-2012 / Access: Public - Yale University Library GeoBlacklight Search Results

Start Over Author De Witt, Wallace, Jr., 1920-2012 Access Public

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. 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.