1974. 2013-04-30T18:17:54Z. 2013-05-08T12:07:04Z. Tweto, Ogden, 1912-1983. U.S. Geological Survey. English. Public. Colorado, Eagle County, Lake County, Pitkin County, and Summit County.
Search Results
1969. 2012-10-11T18:40:07Z. 2012-10-11T18:40:07Z. Bergendahl, M. H. (Maximilian Hilmar), 1921-. Geological Survey. English. Public. Colorado, Eagle County, and Summit County.
1966. 2012-01-09T19:32:02Z. 2016-11-08T22:05:25Z. Baker, Arthur A. (Arthur Alan), 1897-1996. U.S. Geological Survey. English. Public. Utah, Summit County, Wasatch County, and Salt Lake County.
2011. 2012-01-10T18:50:01Z. 2015-10-09T14:33:25Z. Kellogg, Karl S. U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : U.S. Geological Survey. English. Public. Colorado, Eagle County, Summit County, and Grand County.
1970. 2012-03-02T16:53:17Z. 2016-11-01T14:32:02Z. Geological Survey (U.S.). The Survey. English. Public. Utah, Wasatch County, and Summit County.
1971. 2012-03-01T19:25:37Z. 2012-03-01T19:25:37Z. Bromfield, Calvin Stanton, 1923-. U.S. Geological Survey. English. Public. Utah, Summit County, and Wasatch County.
1966. 2012-01-09T19:33:55Z. 2012-03-05T17:31:24Z. Crittenden, Max D. U.S. Geological Survey. English. Public. Utah, Summit County, and Salt Lake County.
1971. 2012-11-01T14:41:57Z. 2012-11-01T14:41:57Z. Neuerburg, George J. U.S. Geological Survey. English. Public. Colorado and Summit County.
1898. 2013-03-13T16:29:35Z. 2013-03-13T16:29:35Z. Emmons, Samuel Franklin, 1841-1911. The Survey. English. Public. Colorado, Eagle County, and Summit County.
