Laboratories that make assays, analyses and tests on ores, minerals, and other substances /
By C.W. Davis and M.W. von Bernewitz.

APA Citation

Davis, C. Wesley., Bernewitz, M. Wilhelm von., United States. Bureau of Mines. (1938). Laboratories that make assays, analyses and tests on ores, minerals, and other substances. [Washington, D.C.]: United States Dept. of the Interior, Bureau of Mines.

MLA Citation

Davis, Charles Wesley, 1891-, Max Wilhelm von Bernewitz, and United States. Bureau of Mines. Laboratories That Make Assays, Analyses And Tests On Ores, Minerals, And Other Substances. [Washington, D.C.]: United States Dept. of the Interior, Bureau of Mines, 1938.