Subject: Geology / Year: 1946 - Yale University Library GeoBlacklight Search Results

21. 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.

22. Tramping Lake, west of principal meridian, Manitoba

1946. 2012-09-07T15:43:57Z. 2012-09-07T15:43:57Z. Canada. Bureau of Geology and Topography. Canada Department of Mines and Resources, Mines and Geology Branch, Bureau of Geology and Topography. English. cartographic image. Public. Manitoba.

23. Wrigley, District of Mackenzie, Northwest Territories

1946. 2012-09-07T15:21:28Z. 2012-09-07T15:21:28Z. Canada. Bureau of Geology and Topography. Canada Department of Mines and Resources, Mines and Geology Branch, Bureau of Geology and Topography. English. cartographic image. Public. Northwest Territories, Mackenzie, Wrigley, Mackenzie District (N.W.T.), and Wrigley (N.W.T.).