Bismuth in the United States

Bismuth in the United States

Date: 1970
Creator: Persse, Franklin H.
Description: ii, 26 p. : ill., maps ; 26 cm.
Contributing Partner: UNT Libraries Government Documents Department
Approximate Quantitative Microscopy of Pulverized Ores, Including the Use of the Camera Lucida

Approximate Quantitative Microscopy of Pulverized Ores, Including the Use of the Camera Lucida

Date: October 1919
Creator: Coghill, Will H. & Bonardi, J. P.
Description: Technical paper issued by the Bureau of Mines over microscopy of pulverized ores. As stated in the introduction, "this paper, which deals with the study of pulverized ores and the use of the camera lucida in such work, discusses an investigation undertaken at the Seattle and the Golden mining experiment stations of the Bureau of Mines" (p. 3). This paper includes tables, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Sampling and Estimation of Ore Deposits

Sampling and Estimation of Ore Deposits

Date: 1932
Creator: Jackson, Charles Freeman & Knaebel, John B.
Description: Report issued by the Bureau of Mines over the sampling and analyses of ore deposits. Methods, problems, and results are presented and discussed. This report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department