Charles Lathrop Parsons / Dorsey Alfred Lyon / Horace Wadsworth Gillett / Joseph Wesley Thompson / Lee Clyde Ilsley / Nelson Horatio Darton / Ozni Porter Hood / Richard Bishop Moore / United States. Bureau of Mines. Committee on Quarying and Metalliferous Mining Law / Vannoy Hartrog Manning (Jr.) / Ernest J. Gleim / Karl Ludwig Kithil / Robert M. Keeney / Rudolf H. Kudlich / Walter Renton Ingalls / James Douglas / Joseph F. Cullen / James Ralph Finlay / John Parke Channing / John Hays Hammond |