1956. 2012-08-21T18:37:30Z. 2013-03-18T22:13:38Z. Marshall, C. H. U.S. Geological Survey. English. Public. Utah and San Juan County.
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1955. 2012-07-27T15:33:09Z. 2012-07-27T15:43:01Z. Marshall, C. H. U.S. Geological Survey. English. Public. Utah and San Juan County.
1955. 2012-07-31T15:04:25Z. 2012-07-31T15:04:25Z. Marshall, C. H. The Survey. English. Public. Utah and San Juan County.
1955. 2012-07-30T19:08:15Z. 2012-07-30T19:08:15Z. Marshall, C. H. U.S. Geological Survey. English. Public. Utah and San Juan County.
1955. 2012-07-30T18:59:57Z. 2012-07-30T18:59:57Z. Marshall, C. H. U.S. Geological Survey. English. Public. Utah and San Juan County.
1955. 2012-07-27T15:54:00Z. 2012-07-27T15:54:00Z. Marshall, C. H. U.S. Geological Survey. English. Public. Utah and San Juan County.