Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

Geology of the Duluth metropolitan area, Bulletin 33, Plate 10

Author:
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 49 North, Range 17 West, scale 1 inch = about 1/2 mile.
Collection:
Minnesota Geological Survey
Place:
Minnesota, United States
Subject:
Environment
Year:
1949
Contributed by:
Minnesota
More details at