Aeromagnetic map of Western Marshall and Northwestern Polk Counties, Minnesota [map] : total intensity contours relative to arbitrary datum / Department of the Interior, United States Geological Survey ; by K.G. Books ; prepared in cooperation with Minnesota Geological Survey
- Geophysical investigations map ; GP-145
- Sheet 1. Aeromagnetic map -- sheet 2. Aeromagnetic profiles ..., traverses 159-187.
- Related Titles:
- Aeromagnetic profiles of Western Marshall and Northwestern Polk Counties, Minnesota, traverses 159-187
Western Marshall and Northwestern Polk Counties, Minnesota, aeromagnetic map
- "Aeromagnetic survey flown 500 feet above surface in 1952 by W.J. Dempsey and L.A. Anderson. Geology by G.M. Schwartz."
Includes text, index map, and map.
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