1981. 2012-02-03T17:53:34Z. 2012-03-05T17:38:55Z. Patchen, Douglas G. West Virginia Geological and Economic Survey. English. Public. West Virginia. Devonian.
Search Results
1981. 2016-01-11T16:54:21Z. 2016-07-14T21:07:59Z. Van Horn, Richard, 1920-. The Survey. English. cartographic image. Public. Utah, Davis County, Salt Lake County, U.S., Davis County., and Salt Lake County. Pre-Quaternary.
3. Isopach map of Quaternary and Upper Tertiary strata, Norton Sound, Alaska [cartographic material]
1981. 2002-06-01T04:00:00Z. 2023-02-15T04:01:27Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Alaska. Quaternary and Tertiary.
1981. 2002-06-01T04:00:00Z. 2023-02-25T04:01:23Z. Geological Survey (U.S.). The Survey. English. text. Public. Nevada, Reno, and Reno (Nev.). Quaternary.
1981. 2014-04-01T14:48:20Z. 2014-04-15T22:13:37Z. Luedke, Robert G. Dept. of the Interior, U.S. Geological Survey. English. Public. California and Nevada. Cenozoic and From 65 million years ago.
1981. 2002-06-01T04:00:00Z. 2023-02-15T04:01:27Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. California. Quaternary.
1981. 2002-06-01T04:00:00Z. 2023-01-31T04:04:30Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Southern States. Tertiary.
1981. 2002-06-01T04:00:00Z. 2023-03-04T04:01:20Z. Geological Survey (U.S.). The Survey. English. text. Public. California. Cenozoic.
1981. 2002-06-01T04:00:00Z. 2022-12-16T04:01:22Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. California. Quaternary.
1981. 2002-06-01T04:00:00Z. 2023-03-04T04:01:20Z. Geological Survey (U.S.). The Survey. English. text. Public. Stanislaus County (Calif.) and Tuolumne County (Calif.). Cenozoic.