Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

Iron ores of Minnesota, their geology, discovery, development, qualities and origin, and comparison with those of other iron districts, Bulletin 6, Plate 2

Authors:
and
Description:
Map showing iron mines in the Vermilion range, scale 1 inch = about 0.12 miles.
Collection:
Minnesota Geological Survey
Place:
Minnesota, United States
Subject:
Environment
Year:
1891
Contributed by:
Minnesota
More details at