Scope and Content Collection consists primarily of materials relating to the Tres Piedras Mining Company, including stock certificates and letters. Also within the collection are a newspaper clipping on fraudulent claims to the Canon del Agua land grant, an 1889 stock certificate from the Consolidated Mining and Investment Co., and a handwritten description (by an unknown author) of the Las Trampas land grant with an emphasis on the timber located there. Some of the letters within the collection concern mining...