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31. Geology of the Cuyuna district, Minnesota: a progress report, Bulletin 36, Plate 6

1955. Grout, Frank F. and Wolff, J.F., Sr. Diagram showing correlation of subdivisions of Iron-Formations Cuyuna, Mesabi, and Gogebic Ranges, Minnesota, , vertical scale 1 inch = about 200 f...

32. Magnetite deposits of northeastern Mesabi range, Minnesota, Bulletin 17, Plate 1

1919. Grout, Frank F. and Broderick, T.M. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Eastern Mesabi District, Minneso...