1972. 2012-10-26T20:14:03Z. 2013-03-18T22:25:43Z. Covington, H. R. The Survey. English. Public. Utah.
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1972. 2012-10-26T20:10:14Z. 2022-12-08T04:41:00Z. Covington, H. R. U.S. Geological Survey. English. Public. Utah.
1972. 2012-10-31T13:14:50Z. 2012-10-31T13:14:50Z. Covington, H. R. U.S. Geological Survey. English. Public. Utah and Salina Region.
1972. 2012-10-26T19:50:21Z. 2012-10-26T19:52:27Z. Covington, H. R. U.S. Geological Survey. English. Public. Utah, Sevier County, Emery County, Grand County, Wayne County, and Piute County.