1973. 2012-12-10T20:49:26Z. 2013-03-18T22:30:59Z. Bergin, M. J. (Marion Joseph), 1927-. Interior--Geological Survey. English. Public. Pennsylvania and Luzerne County.
Search Results
1969. 2012-10-11T19:05:37Z. 2012-10-11T19:06:53Z. Orkild, Paul P. Interior--Geological Survey. English. Public. Nevada and Nye County.
1974. 2012-11-29T21:42:00Z. 2013-03-18T20:47:45Z. Kent, Bion H. (Bion Huntley), 1925-. Interior--Geological Survey. English. Public. Pennsylvania, Masontown Region, Monongahela River Valley (W. Va. and Pa.), and Masontown Region (Pa.).
1964. 2012-09-21T17:43:40Z. 2013-03-18T22:19:21Z. Sharps, Joseph A. Interior--Geological Survey. English. Public. Texas and Terrell County.
1969. 2012-10-15T14:49:50Z. 2012-10-15T14:49:50Z. Van Lieu, J. A. Interior--Geological Survey. English. Public. Wyoming, Weston County, Crook County, South Dakota, Pennington County, and Lawrence County.
1964. 2012-09-24T15:31:06Z. 2013-03-18T20:28:58Z. Freeman, Val L., 1926-. Interior--Geological Survey. English. Public. Texas, Terrell County, and Brewster County.
1964. 2012-09-26T19:14:32Z. 2013-03-18T20:29:47Z. Freeman, Val L., 1926-. Interior--Geological Survey. English. Public. Texas and Val Verde County.
1963. 2012-09-21T15:43:32Z. 2013-03-18T22:19:19Z. Sharps, Joseph A. Interior--Geological Survey. English. Public. Texas, Terrell County, and Val Verde County.
1965. 2012-09-27T20:05:58Z. 2013-03-18T22:20:22Z. Sharps, Joseph A. Interior--Geological Survey. English. Public. Texas and Val Verde County.
1984. 2012-06-27T19:48:13Z. 2012-07-05T13:04:21Z. Meissner, Charles R. Interior--Geological Survey. English. Public. West Virginia and Jackson County.