1973. 2012-12-18T20:40:59Z. 2013-03-18T22:31:59Z. Van Horn, Richard, 1920-. U.S. Geological Survey. English. Public. Utah and Salt Lake County.
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1973. 2012-12-19T14:21:07Z. 2013-03-18T22:32:06Z. Mower, R. W. (Reed W.), 1924-. U.S. Geological Survey. English. Public. Utah and Salt Lake County.
1973. 2012-12-19T14:26:15Z. 2013-03-18T22:32:06Z. Mower, R. W. (Reed W.), 1924-. U.S. Geological Survey. English. Public. Utah and Salt Lake County.
1973. 2012-12-19T14:12:28Z. 2013-03-18T20:51:23Z. Mower, R. W. (Reed W.), 1924-. U.S. Geological Survey. English. Public. Utah and Salt Lake County.
1973. 2012-12-19T14:09:37Z. 2013-03-18T22:32:05Z. Mower, R. W. (Reed W.), 1924-. U.S. Geological Survey. English. Public. Utah and Salt Lake County.
1973. 2012-12-18T20:59:34Z. 2013-03-18T22:32:00Z. Mower, R. W. (Reed W.), 1924-. U.S. Geological Survey. English. Public. Utah and Salt Lake County.
1973. 2012-12-18T20:47:19Z. 2013-03-18T22:31:59Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Utah and Salt Lake County.