Report of Investigations

Auteur : Anthony J. Strazisar, D. E. Wolfson, Donald E. Kirby, E. M. Murphy, Edward George Davis, Frederick W. Leighton, James W. Vogh, R. A. Welsh, Robert C. Ellman, R. V. Higgins, A. W. Deurbrouck, D. A. O'Keefe, Ignatz L. Feld, J. O. Crabtree, Leroy Dockter, Richard Lincoln Stein, Wilbur I. Duvall, Alan J. Leighton, John W. Belter, Thomas A. Sullivan, Thomas F. Tomb

Date de publication : 1972

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

Nombre de pages : 19