Bulletin
- publisher: Washington [D.C.] : U.S. G.P.O.
- creator: United States. Bureau of Mines
- contributor: United States. Bureau of Mines.
- Keyword: Mines and mineral resources. Mines and mineral resources United States. Mining engineering. Mines and mineral resources. Mines and mineral resources United States. Mining engineering.
- years: 1910-[1995]
- pages: 696 v. :
- class: TN23
- isbn: 0082-9129
- download: pdf file