The 3.5 mile long Yak Tunnel in California Gulch provided economical ore haulage and drained the mines located in the eastern part of the district. The Yak powerhouse can be seen on the hill.
The reconstructed entrance to the Yak Tunnel allows mine drainage to be pumped to a water treatment plant. The Yak powerhouse and Resurrection Mill can be seen downstream from the tunnel entrance. (2002 photo)
The Superfund clean-up in California Gulch involved capturing run-off and channeling it away from mine waste piles.
Tour Leader, Ed Raines, explained the historic activities mining in California Gulch, site of the first placer gold discoveries in the 1860ís.
(Above) The ruins of the AY and Minnie underground mines in California Gulch, source of the Guggenheim fortunes. Nearby is the site of Oro City and the early placer mines. The Mineral Belt Trail can be seen cutting through the mine dumps.
(Left) There is nothing like a morning hike to look at the historic Leadville mines.
Ruins of the Venir Mine on Breece Hill in the east side of the district, high above California Gulch. (2002 photo)
The massive hoist foundation of the Venir Mine. The clouds temporarily obscure the view of the Sawatch Range and 14,421 foot Mt. Massive. (2002 photo)