1973. 2012-04-13T14:27:22Z. 2012-04-16T15:57:26Z. Izett, Glen Arthur, 1928-. The Survey. English. Public. Colorado and Grand County.
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1963. 2012-09-18T18:39:44Z. 2013-03-18T22:18:46Z. Izett, Glen Arthur, 1928-. The Survey. English. Public. Wyoming and Crook County.
1974. 2012-04-19T20:11:52Z. 2012-05-03T15:40:26Z. Izett, Glen Arthur, 1928-. The Survey. English. Public. Colorado and Grand County.
1982. 2016-01-11T16:10:20Z. 2016-07-14T21:07:57Z. Izett, Glen Arthur, 1928-. U.S. Geological Survey. English. cartographic image. Public. United States, Saskatchewan, U.S., Canada, Saskatchewan., and United States.