Laboratories that make fire assays, analyses and tests on ores, minerals, and other inorganic 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 fire assays, analyses and tests on ores, minerals, and other inorganic 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 Fire Assays, Analyses And Tests On Ores, Minerals, And Other Inorganic Substances. [Washington, D.C.]: United States Dept. of the Interior, Bureau of Mines, 1938.