Geologic interpretation of magnetic map of McLeod County, Minnesota, RI-1, Plate 1
Description
Magnetic (interpretation of magnetic data collected from airborne or ground surveys, indicating the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth) map of McLeod County, Minnesota, scale 1 inch = about 1 1/4 mile.
Austin, George S., Sims, Paul K. (1963). Geologic interpretation of magnetic map of McLeod County, Minnesota, RI-1, Plate 1. Minnesota Geological Survey. https://reflections.mndigital.org/catalog/mgs:1010 (map)