1987. 2018-04-20T19:56:20Z. 2018-09-05T19:42:20Z. University of Texas at Austin. Bureau of Economic Geology. University of Texas at Austin, Bureau of Economic Geology. English. cartographic image. Public. Texas, Texas Panhandle, and Texas Panhandle. Tertiary and From 2 to 65 million years ago.
Search Results
1997. 2018-08-24T12:17:59Z. 2020-08-14T18:08:26Z. Università di Bologna. Dipartimento di scienze della terra e geologico-ambientali, creater, issuing body. Università di Bologna, Dipartimento di Scienze della Terra e Geologico-Ambientali,S.E.L.C.A. Italian&English. cartographic image. Public. Italy and Ravenna. Quaternary.
1959. 2015-05-26T17:53:22Z. 2015-06-09T22:07:14Z. Craig, B. G. Geological Survey of Canada. English. cartographic image. Public. Saskatchewan and Battleford Region. Cenozoic and From 65 million years ago.
1999. 2002-06-01T04:00:00Z. 2016-07-16T21:16:14Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by U.S. Geological Survey, Information Services. English. cartographic image. Public. Appalachian Basin, United States, and Appalachian Basin. Pennsylvanian and From 280 to 310 million years ago.
1971. 2018-04-20T18:43:31Z. 2021-05-04T22:29:48Z. Parker, Mary Combs. Iowa Geological Survey. English. cartographic image. Public. Iowa and Iowa. Ordovician and From 425 to 500 million years ago.
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.
1951. 2018-01-23T15:55:42Z. 2018-01-23T15:55:42Z. Cohee, George Vincent, 1907-. U.S. Dept. of the Interior, Geological Survey. English. cartographic image. Public. Lower Peninsula (Mich.), Michigan, Lower Peninsula, and Lower Peninsula. Devonian, Carboniferous, and From 280 to 405 million years ago.
1948. 2018-01-30T14:30:37Z. 2018-01-30T14:30:37Z. Cohee, George Vincent, 1907-. U.S. Geological Survey. English. cartographic image. Public. Michigan Basin (Mich. and Ont.), North America, and Michigan Basin. Ordovician, Silurian, and From 405 to 500 million years ago.
1924. 2018-06-19T19:09:52Z. 2018-09-05T20:08:13Z. Tanton, T. L. Geological Survey. English. cartographic image. Public. Ontario and Thunder Cape Region.
1914. 2018-06-25T19:55:56Z. 2018-09-05T20:08:12Z. Cairnes, D. D. (DeLorme Donaldson), 1879-1917. Geological Survey. English. cartographic image. Public. Alberta, Moose Mountain Region, and Moose Mountain Region (Alta.). Cretaceous.
