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Environment
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1924
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1. Contributions to the geology of the Mesabi range, with special reference to the magnetites of the iron-bearing formation west of Mesaba, Bulletin 19, Plate 1
1924. Gruner, John W. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Western Mesabi District, Minneso...
2. Contributions to the geology of the Mesabi range, with special reference to the magnetites of the iron-bearing formation west of Mesaba, Bulletin 19, Plate 2
1924. Gruner, John W. Longitudinal Section through the Biwabik and Gunflint Formations, scale 1 inch = 1.5 miles.