Eastern Sierra and Mono Country

Not far from the Tioga Pass entrance station to Yosemite National Park lie the remains of the Hess Mine, one of the more accessible 1940s-era tungsten mines in the High Sierra. Three widely-separated claims comprised the mine: the main claim at the north end of Steelhead Lake; a small middle

In the late 1930s and early 1940s, surging worldwide demand for tungsten led to the opening of several tungsten mines in the High Sierra above Bishop. Two small but relatively high-grade ore bodies were discovered on the west side of Mt. Tom, which would become the Hanging Valley Mine and

At 12,990 ft (3960 m), the Adamson is the highest mine in the Sierra Nevada. And as you might suspect, getting there is no easy feat. It is a strenuous climb up the rugged Wheeler Ridge to reach it. This is the top of the Sierras. Altitude sickness is