General geologic information associated with drilling and geologic mapping in the Cook area, St. Louis County, Minnesota, map missing, aeromagnetic map included. Superseded by Minnesota Geological Survey publication M-79.
Southwick, D.L.; Jirsa, M.A.; Boerboom, T.J..
OFR91-02, Geologic drilling and mapping Cook area, St. Louis County, Minnesota.
Minnesota Geological Survey.
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