Donald J. Bauer, United States. Bureau of Mines, Kenneth Keith Kelley, Richard F. Zaffarano, Carl Rampacek, Cecil Q. Cupps, George W. Birge, Lloyd Harold Banning, Wilbur I. Duvall, Julius Bruce Clemmer, W. E. Anable, William Alan McKinney, David E. Fogelson, Edward Gerard King, John J. Mulligan, Charles K. Rose, John H. Hild, Robert L. Montgomery, Joseph Fry, W. V. Kuster, Bruce W. Naugle, D. A. Douglass, Richard Edward Lindstrom, Richard J. Leary, Vernon B. Dale, Van E. Shaw, B. J. Mitchel, E. E. Jukkola, Theodore D. Hubert, John M. Gomes, W. I. R. Murphey, William F. Hergert, A. U. Christensen, Walter W. Fowkes, Willis Beckering, H. N. Smith, Harold William Sohns, John W. Chester, Thomas Calvin Atchison, Victor Kalcevic, Harry C. Fuller, J. D. Lankford, William E. Tournay, P. T. Waddleton, W. C. Kommes
Operation of a Dithionate-process Pilot Plant for Leaching Manganese Ore from Maggie Canyon Deposit, Artillery Mountains Region, Mohave County, Ariz
