• 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 United States Collected works. Mining engineering Collected works. Mines and mineral resources Collected works.
  • years: 1910-
  • pages: v. :
  • class: TN23
  • isbn: 0082-9129
  • download: pdf file