Showing 1 - 4 of 4 for search: 'Roehl, Edwin A.', query time: 0.04s
by Conrads, Paul A.
Published: U.S. Geological Survey, 2007
Description: vi, 56 pages : digital, PDF file.
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by Risley, John C.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; U.S. Geological Survey, Branch of Information Services [distributor], 2003
Description: vi, 60 pages : color illustrations, color maps ; 28 cm.
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by Conrads, Paul A.,
Published: U.S. Department of the Interior, U.S. Geological Survey, 2010
Description: 1 online resource (vii, 63 pages) : color illustrations, color maps.
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by Conrads, Paul A.,
Published: U.S. Department of the Interior, U.S. Geological Survey, 2011
Description: 1 online resource (viii, 46 pages) : color illustrations, color maps.
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