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Preliminary report on the geology of east central Minnesota, including the Cuyuna iron-ore district, Bulletin 15, Plate 1

Authors:
and
Description:
Map of East Central Minnesota showing location of rock outcrops (location of rocks exposed at the land surface), scale 1 inch = 10 miles.
Collection:
Minnesota Geological Survey
Place:
Minnesota, United States
Subject:
Environment
Year:
1918
Contributed by:
Minnesota
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