"Baker County [Sumpter, Oregon] area mines, Cracker Creek District - Tramway from North Pole Mines to Mill. Eureka and Excelcior [Excelsior] Mines and Hoist Plant - circa 1901-1903."
"Boiler for the Midway Mines Sinking Plant [Pleasant Valley, Baker County, Oregon] - circa 1901-1903. It is riding on a wagon pulled by a 12-horse hitch. Weight: 17,000 lbs. There is a Dress Makers shop directly behind the wagons to the left, and theā¦
"Baker [County] area mines - Highland Gold Mine Co. - Knapp Group - Sumpter, Or. Maps - circa 1901-1903" "Property of the Highland Gold Mines Co.- Knapp Group - Sumpter, Oregon - Granite, Grano-Diorite, Argillite - U.S. Deputy Mineral Surveyors"