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
1976. 2013-09-17T19:53:22Z. 2013-09-25T21:09:48Z. Miller, Robert D. (Robert David), 1922-. The Survey. English. Public. Colorado, Jefferson County, and U.S.
1974. 2012-04-27T14:10:43Z. 2012-05-03T15:42:20Z. Geological Survey (U.S.). The Survey. English. Public. Kentucky, Jefferson County, Oldham County, Indiana, Floyd County, and Clark County.
1974. 2012-04-26T18:32:25Z. 2012-05-03T15:42:10Z. Geological Survey (U.S.). The Survey. English. Public. Kentucky and Jefferson County.
1971. 2012-03-13T13:53:47Z. 2012-03-27T23:58:49Z. Geological Survey (U.S.). The Survey. English. Public. Kentucky, Jefferson County, and Oldham County.
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. 2012-05-01T18:24:38Z. 2012-05-09T14:05:14Z. Taylor, Richard B. (Richard Bartlett). The Survey. English. Public. Colorado, Gilpin County, Jefferson County, and Clear Creek County.
1972. 2012-03-19T17:17:54Z. 2012-05-03T15:28:50Z. Geological Survey (U.S.). The Survey. English. Public. Kentucky, Bullitt County, and Jefferson County.
1972. 2012-03-20T13:35:01Z. 2012-05-03T15:29:07Z. Geological Survey (U.S.). The Survey. English. Public. Washington (State), Jefferson County, Mason County, and Kitsap 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.