Most intact mineyard remaining in Butte
The Anselmo mineyard is the most intact of any in Butte, and includes the main hoist engine room, an auxiliary hoist building (with a lamp room in the lower level), carpenter shop, timekeeper's offices, hose house, the dry (miners’ locker room), and a warehouse, in addition to the headframe with its tipple and two idler towers. The compressed air tank also survives. Inside, tools and other artifacts are found in place, just as they were when the mine was operating.
The Butte, Anaconda & Pacific Railway train at the Anselmo is the only remaining artifact of the first electrified heavy haul engine that served as the prototype for electrifying rail engines throughout the country. Ore was raised from the mine to the tipple structure on the side of the headframe, from where it was dumped into train cars below. The trains, which once laced together all the mines, transported copper ore to the town of Anaconda, where it was concentrated and smelted at the huge Washoe Smelter.
The Anselmo also had a yard that treated lumber for underground timbers and supplied them to many mines. The timber was milled west of Butte, at Rocker, and brought to the Anselmo where it was treated with arsenic to prevent rotting.
The present Anselmo headframe came from the Black Rock Mine, and was moved to the Anselmo in 1936. The Anselmo was an important lead and zinc mine, and also produced silver and copper. A lengthy strike that shut down most of Butte's mines in 1959 spelled the end of the Anselmo, which did not reopen after that strike.
The BA&P walking trail, built on the former bed of the Butte, Anaconda and Pacific Railway, passes near the Anselmo yard. Not far to the west, the trail passes the Desperation Fan Tower, an octagonal concrete structure where bad air exited from the Anselmo mine.
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