Eight-piece Concrete Sets for Small Mine Openings

Auteur : Philip G. Clites, Carl F. Wingquist, Claudius W. Dwiggins, Correll C. Shale, George H. Keith, Jim E. Murphy, John Nagy, Joseph W. Town, Karl C. Dean, Karl-Heinz Frohne, L. B. Pankratz, Mary A. Barrett, Maynard O. Serbousek, Merle L. Bowser, Ralph B. Adair, Robert Lynn Crosby, Donald H. Desy, Edward Morrice, George E. Fasching, James S. Browning, John W. Conn, K. Robert Dorman, Leo A. Schrider, Philip E. Sanker, Richard Havens, Robert A. Beall, W. W. Weller, William E. Thomas, William G. Gruzensky, Hal J. Kelly, Harry C. Verakis, Kimball T. Harper, M. K. Romeo, Morton Min Wong

Date de publication : 1969

Éditeur : U.S. Department of the Interior, Bureau of Mines

Nombre de pages : 6