00818cam a22002291 4500 gs 08000078 DLC 20260227111307.0 830728s1906 enkaf 001 0 eng c gs 08000078 (OCoLC)9748633 Library, U.S. Geological Survey NmSoI NmSoI DLC premarc TN767 .P25 1906 Park, James, 1857- The cyanide process of gold extraction: a text-book for the use of mining students, metallurgists, and cyanide operators. By James Park. 4th English ed. Rev. and enl. London, C. Griffin, 1906. xiv, 239 p. fold. front., illus., XII plates (part fold.) diagrs. 20 cm. Griffin's metallurgical hand-books Cyanide process. 24711 24711