Papers and documents concerning mining interests in the Rio Arriba Mining Co. of New Mexico, the Sterling Placer Co. of Arizona and the British-American Gold Mining and Trading Co. of Baltimore, Md., Container: Letterheads of Saginaw Businesses - Box 1, Folder: Seven. Business and Industry, COL-BUSINESS. Hoyt Library Archives. https://archive.saginawlibrary.org/repositories/2/archival_objects/12215 Accessed December 06, 2025.