Abstract The Granite-BiMetallic Consolidated Mining Company was a St. Louis, Missouri, based silver mining company formed from the merger of the Granite Mountain Mining Company, and Bi-Metallic Mining Company. Collection (1881-1934) consists of interoffice correspondence (1887-1931), incoming correspondence (1887-1898), outgoing correspondence in letterpress books (1881-1903), general correspondence (1898-1932), employment records, financial records, legal documents, production records, weekly...