1957. 2011-04-20T17:55:58Z. 2012-02-14T23:29:25Z. Van Horn, Richard, 1920-. U.S. Geological Survey. English. Public. Colorado and Jefferson County.
Search Results
1979. 2012-06-13T13:50:10Z. 2012-06-20T14:07:31Z. Lindvall, Robert M. (Robert Marcus), 1916-. U.S. Geological Survey. English. Public. Colorado, Adams County, Denver County, and Jefferson County.
1976. 2012-05-23T19:47:24Z. 2012-06-07T16:55:01Z. Kepferle, Roy Clark, 1926-. U.S. Geological Survey. English. Public. Kentucky, Jefferson County, Oldham County, and Shelby County.
1972. 2013-04-17T20:12:24Z. 2013-05-02T15:44:46Z. Sheridan, Douglas M., 1921-. U.S. Geological Survey. English. Public. Colorado and Jefferson County.
1976. 2012-05-23T17:30:43Z. 2012-06-07T16:54:51Z. Kepferle, Roy Clark, 1926-. U.S. Geological Survey. English. Public. Kentucky, Jefferson County, and Shelby County.
1978. 2012-06-06T14:07:19Z. 2012-06-13T15:04:47Z. Lindvall, Robert M. (Robert Marcus), 1916-. U.S. Geological Survey. English. Public. Colorado, Jefferson County, Denver County, and Arapahoe County.
1972. 2013-04-23T15:09:37Z. 2013-05-02T15:46:50Z. Scott, Glenn Robert, 1918-. U.S. Geological Survey. English. Public. Colorado and Jefferson County.
1972. 2012-03-16T15:47:15Z. 2015-12-15T23:01:48Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Washington (State), Clallam County, and Jefferson County.
1976. 2012-05-04T14:26:09Z. 2012-05-09T14:06:45Z. Kepferle, Roy Clark, 1926-. U.S. Geological Survey. English. Public. Kentucky, Bullitt County, and Jefferson County.
1977. 2012-06-06T18:19:01Z. 2012-06-13T15:04:55Z. Luft, Stanley Jeremie, 1927-. U.S. Geological Survey. English. Public. Kentucky, Spencer County, Bullitt County, and Jefferson County.