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Aeromagnetic survey of parts of Baraga, Iron, and Houghton counties, Michigan with preliminary geologic interpretation
- Author / Creator
- Available as
- Physical
Details
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- Creator
- by J.R. Balsley, H.L. James, and K.L. Wier ; prepared in cooperation with Michigan Dept. of Conservation, Geological Survey Division
- Format
- Maps, Atlases
- Language
- English
- Contributors
- Publication
-
- [Washington, D.C.] : Dept. of the Interior, U.S. Geological Survey, 1949
- Physical Details
-
- 1 map : color ; sheet 135 x 104 cm
- OCLC
- ocm22496438
- Cartographic Data
-
Scale [ca. 1:190,080]
- Includes text, aeromagnetic profiles, index map, and references.
- "Aeromagnetic survey in 1947 by J.R. Balsley and M.E. Hill."
- Base from Michigan Dept. of Conservation county maps.
- Library copy folded in envelope.