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Detailed geologic map of the recently active copper mines; Houghton and Keweenaw Counties, Michigan

Open-File Report 50-4

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Abstract

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Detailed geologic map of the recently active copper mines; Houghton and Keweenaw Counties, Michigan
Series title:
Open-File Report
Series number:
50-4
Edition:
-
Year Published:
1949
Language:
ENGLISH
Description:
24 maps