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- Lake Superior iron resources :metallurgical evaluation and classification of nonmagnetic taconite drill cores from the west central Mesabi Range
- Lake Superior iron resources :preliminary sampling and metallurgical evaluation of central Mesabi nonmagnetic taconites
- Lake Superior iron resources :preliminary samples and metallurgical evaluation of selected Michigan-Wisconsin iron formations
- Lake Superior iron resources :reexamination of nonmagnetic taconite occurrences in the Hibbing, Minn., area by flotation, magnetic separation, and petrographic methods