Aeromagnetic map of Minnesota, St. Louis county, Plate 1

Description

Published

Minnesota Geological Survey, 2642 University Avenue, St. Paul Minnesota 55114 1983

Summary

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Total magnetic intensity anomaly (relative to the earth's magnetic field), color coded, scale 1:250,000. Interpretation of magnetic data collected from airborne surveys, the map colors indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth. Electronic file available at: ftp://mgssun6.mngs.umn.edu/map_catalog/pdf/umn21094.pdf

Note

United States
Minnesota
St. Louis

Use and Reproduction Note

Public domain. We request that if the images are used credit be given to the Minnesota Geological Survey, University of Minnesota.

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