by A. F. Baker, Aarne Visnapuu, Basil Dimitriades, C. Q. Cupps, David P. Lindroth, Edward George Davis, F. E. Armstrong, Foster Fraas, Galen G. Waddell, George S. Koch, Lester M. Adams, Martin H. Stanczyk, Murray Jacobson, Richard N. Spencer, T. O. Llewellyn, Vance G. Leak, W. K. Sawyer, Barbara C. Marek, C. I. Pierce, G. C. Evans, G. T. Brow, G. V. Sullivan, Herbert B. Carroll, Ignatz L. Feld, James S. Browning, John P. Capp, Keith John Miller, Richard F. Link, Samuel L. Terry, Thomas J. Crocker, Walter G. Krawza, E. Eisentrout, Edwin W. Collins, Eugene H. Skinner, G. E. Fletcher, J. Fry, J. W. Jensen, R. B. Lowe
A Cost Estimate and Comparison with Selective Mining
by A. F. Baker, Aarne Visnapuu, Basil Dimitriades, C. Q. Cupps, David P. Lindroth, Edward George Davis, F. E. Armstrong, Foster Fraas, Galen G. Waddell, George S. Koch, Lester M. Adams, Martin H. Stanczyk, Murray Jacobson, Richard N. Spencer, T. O. Llewellyn, Vance G. Leak, W. K. Sawyer, Barbara C. Marek, C. I. Pierce, G. C. Evans, G. T. Brow, G. V. Sullivan, Herbert B. Carroll, Ignatz L. Feld, James S. Browning, John P. Capp, Keith John Miller, Richard F. Link, Samuel L. Terry, Thomas J. Crocker, Walter G. Krawza, E. Eisentrout, Edwin W. Collins, Eugene H. Skinner, G. E. Fletcher, J. Fry, J. W. Jensen, R. B. Lowe
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