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 2Full Details
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
Description:
Longitudinal Section through the Biwabik and Gunflint Formations, scale 1 inch = 1.5 miles.