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

January 1, 1949

No abstract available.

Publication Year 1949
Title Detailed geologic map of the recently active copper mines; Houghton and Keweenaw Counties, Michigan
DOI 10.3133/ofr504
Authors H. R. Cornwall, J.J. Runner, A. A. Stromquist, R. W. Swanson, W. S. White
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Open-File Report
Series Number 50-4
Index ID ofr504
Record Source USGS Publications Warehouse