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Investigation of Scallon-Todd lease, Aitkin County, Minn.
Core-drill sampling of Cuyuna-range manganiferous iron formations, Crow Wing County, Minn.
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Published Year
1950-1959 (2) *
Subject
Core drilling (1)
Manganese mines and mining--Minnesota--Aitkin County (1)
Manganese ores--Minnesota--Crow Wing County (1)
Author
Pennington, James W. (2)
Wasson, Paul A. (2) *
Cooke, S. R. B. (1)
Grosh, Wesley A. (1)
Heising, Leonard F. (1)
Marovelli, Robert L. (1)
