Magnetic base stations in Lake Superior iron districts / by Gordon D. Bath.
- Physical Description: 1 online resource (58 unnumbered pages) : illustrations, maps.
- Publisher: [Washington, D.C.] : U.S. Department of the Interior, Bureau of Mines, 1951.
At head of title: United States Department of the Interior, Bureau of Mines.
|Bibliography, etc. Note:||
Includes bibliographical references.
|Source of Description Note:||
Description based on online resource; title from PDF title page (UNT website, viewed April 23, 2018).
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|Subject:||Prospecting > Geophysical methods.
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