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2000. 2002-06-01T04:00:00Z. 2005-02-18T21:44:07Z. Geological Survey (U.S.). The Survey. English. Public. Colorado, Boulder County, Larimer County, Adams County, and Weld County.
2000. 2002-06-01T04:00:00Z. 2005-02-18T21:43:58Z. Geological Survey (U.S.). The Survey ; For sale by Information Services. English. Public. Colorado, Adams County, and Weld County.
1965. 2011-12-14T21:02:08Z. 2012-03-05T17:24:58Z. Soister, Paul E. The Survey. English. Public. Colorado, Weld County, Adams County, and U.S.
1965. 2011-12-14T21:03:38Z. 2012-03-05T17:24:58Z. Soister, Paul E. The Survey. English. Public. Colorado, Weld County, Adams County, and U.S.
1965. 2011-12-14T21:07:16Z. 2012-03-05T17:24:58Z. Soister, Paul E. The Survey. English. Public. Colorado, Weld County, and U.S.
1973. 2013-05-28T15:31:26Z. 2013-06-14T17:58:01Z. Ficke, John F. U.S. Geological Survey. English. Public. Colorado, Boulder County, Larimer County, and Weld County.
1975. 2013-05-28T17:19:11Z. 2013-06-14T17:58:04Z. McCain, Jerald F. U.S. Geological Survey. English. Public. Colorado, Boulder County, Larimer County, and Weld County.
1975. 2013-05-28T17:21:19Z. 2013-06-14T17:58:04Z. Petrie, Brent. U.S. Geological Survey. English. Public. Colorado, Boulder County, Larimer County, and Weld County.
1974. 2013-05-28T15:54:15Z. 2013-06-14T17:58:03Z. Colton, Roger B. (Roger Burnham), 1924-. U.S. Geological Survey. English. Public. Colorado, Boulder County, Larimer County, and Weld County.