1973. 2012-04-13T14:47:20Z. 2021-08-31T12:16:51Z. Averitt, Paul, 1908-. U.S. Geological Survey. English. Public. Utah and Iron County.
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1967. 2012-01-24T16:42:50Z. 2012-03-05T17:35:52Z. Averitt, Paul, 1908-. U.S. Geological Survey. English. Public. Utah and Iron County.