Virgin Valley opal district, Humboldt County, Nevada /
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Author / Creator: | Staatz, Mortimer H. (Mortimer Hay), 1918-2004, author. |
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Imprint: | Washington, D.C. : United States Department of the Interior, Geological Survey, 1951. |
Description: | 1 online resource (7 pages) : maps. |
Language: | English |
Series: | Geological Survey circular ; 142 Geological Survey circular ; 142. |
Subject: | |
Format: | E-Resource U.S. Federal Government Document Book |
URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/11713557 |