Test Operation of a Pneumatic Vibrating-blade Planer in Phosphate and Coal

A Progress Report on Planer-mining Research, 1958-60

by Albert J. Forney, Andrew A. Cochran, Frank A. Peters, G. V. Sullivan, James A. Whelan, John Fitzpatrick, John T. Schimmel, Louis Anthony Panek, Maurice Jarvis Peterson, Michael George Zabetakis, R. E. Perry, Raymond W. Hiteshue, Richard D. Graves, Roald Edmund Lindstrom, Stephen Utter, T. E. Gray, Webster S. Anderson, William W. Weller, Daniel Bienstock, Edward G. King, J. B. Zink, J. Oscar Winget, J. W. Jensen, Paul Watson Johnson, R. G. Petersen, Samuel Arthur Friedman, W. H. Tavenner, Walter Kawa, Donald Markle, L. L. Brown, Ralph C. Kirby, Richard J. Demski, Robert Madden