Abstracts of Current Decisions on Mines and Mining

Auteur : Arthur Simeon Watts, Donald Francis MacDonald, Earle Jay Babcock, Frederick Ludwig Hoffman, George Arthur Burrell, John Ferdinand Barkley, Joseph Hill White, Joseph Wesley Thompson, Frank Meyers Seibert, Samuel B. Flagg, George G. Oberfell

Date de publication : 1925

Éditeur : U.S. Government Printing Office

Nombre de pages : 62