Description: From Introduction: "Part of I of this paper cover the engineering and economic side of the industry; the other phases of the investigation which have been under the direction of G. St. J. Perrott, of the Pittsburg station of the United States Bureau of Mines, are discussed in Part II."
Creator: Neal, R. O. & Perrott, G. St. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department