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Aeromagnetic map of Minnesota, southwestern region, Plate 2

Author(s):
Description:
Total magnetic intensity anomaly, contour, scale 1:250,000. Interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth.
Collection:
Minnesota Geological Survey
Place(s):
Minnesota, United States
Subject(s):
Environment and Geoscientific Information
Year:
1989
Held by:
Minnesota
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