A magnetic anomaly of possible economic significance in southeastern Minnesota /
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Author / Creator: | Zietz, Isidore, 1919- author. |
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Imprint: | Washington, D.C. : United States Department of the Interior, Geological Survey, 1964. |
Description: | 1 online resource (5 pages) : maps. |
Language: | English |
Series: | Geological Survey circular ; 489 Geological Survey circular ; 489. |
Subject: | |
Format: | E-Resource U.S. Federal Government Document Book |
URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/11683912 |