1978. 2014-02-28T20:15:38Z. 2014-03-13T22:16:13Z. Hansen, Robert E. Dept. of the Interior, U.S. Geological Survey. English. Public. Iowa and U.S.
Search Results
1978. 2013-06-14T17:35:44Z. 2013-06-26T19:51:24Z. Geological Survey (U.S.). Dept. of the Interior, U.S. Geological Survey. English. Public. Washington (D.C.) and Washington Metropolitan Area.
1978. 2013-06-14T17:33:21Z. 2013-06-26T19:51:24Z. Geological Survey (U.S.). Dept. of the Interior, U.S. Geological Survey. English. Public. Washington (D.C.) and Washington Metropolitan Area.
1978. 2014-07-03T15:25:45Z. 2014-07-03T15:25:45Z. Grolier, Maurice J. Dept. of the Interior, U.S. Geological Survey. Arabic&English. Public. Yemen (Republic), Yemen, North, Yemen, North., and Al-Yaman.
1978. 2013-05-22T18:43:26Z. 2013-06-13T15:35:47Z. Lewis, Barney D. Dept. of the Interior, U.S. Geological Survey. English. Public. Powder River Basin (Wyo. and Mont.).
1978. 2014-03-28T13:58:04Z. 2014-04-08T22:10:30Z. Luedke, Robert G. Dept. of the Interior, U.S. Geological Survey. English. Public. Arizona, New Mexico, and U.S. Cenozoic and From 65 million years ago.
1978. 2014-04-01T14:46:02Z. 2014-04-15T22:13:36Z. Luedke, Robert G. Dept. of the Interior, U.S. Geological Survey. English. Public. Colorado, Utah, and Wyoming. Cenozoic and From 65 million years ago.
1978. 2012-09-14T14:33:43Z. 2013-03-18T20:25:35Z. Goudarzi, Gus H. (Gus Hossein), 1918-. Dept. of the Interior, U.S. Geological Survey. English. Public. Libya.