by Donald K. Deardorff, Edward J. Murphy, Frederic A. Skirvin, J. B. Zink, Janet L. Shultz, Joseph W. Town, Karl-Heinz Frohne, Leonard F. Heising, Manuel Gomez, Maurice Deul, Milton L. Weiss, R. A. Guereca, Renpei Yoda, Richard N. Spencer, Robert M. Doerr, Robert W. Ageton, William H. Eddy, William R. Hardwick, William S. Sanner, C. B. Daellenbach, Edward A. Mihok, Elton L. Litchfield, Herbert R. Babitzke, Horace P. Richardson, James S. Browning, L. A. Neumeier, Mark I. Copeland, Phillip E. Sanker, Robert A. Friedel, Thomas T. Campbell, Willard D. Washington, William Samuel Landers, A. G. Sharkey, C. K. Boyd, Edwin E. Anderson, Frank E. Block, Haruo Katō, J. W. Jensen, Jack C. White, James E. Hardemon, L. M. Walker, Maurice Jarvis Peterson, R. P. Adams
Reexamination of Nonmagnetic Taconite Occurrences in the Hibbing, Minn., Area by Flotation, Magnetic Separation, and Petrographic Methods
by Donald K. Deardorff, Edward J. Murphy, Frederic A. Skirvin, J. B. Zink, Janet L. Shultz, Joseph W. Town, Karl-Heinz Frohne, Leonard F. Heising, Manuel Gomez, Maurice Deul, Milton L. Weiss, R. A. Guereca, Renpei Yoda, Richard N. Spencer, Robert M. Doerr, Robert W. Ageton, William H. Eddy, William R. Hardwick, William S. Sanner, C. B. Daellenbach, Edward A. Mihok, Elton L. Litchfield, Herbert R. Babitzke, Horace P. Richardson, James S. Browning, L. A. Neumeier, Mark I. Copeland, Phillip E. Sanker, Robert A. Friedel, Thomas T. Campbell, Willard D. Washington, William Samuel Landers, A. G. Sharkey, C. K. Boyd, Edwin E. Anderson, Frank E. Block, Haruo Katō, J. W. Jensen, Jack C. White, James E. Hardemon, L. M. Walker, Maurice Jarvis Peterson, R. P. Adams
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