U.S. Geological Survey Photographic Library

ID. King, 48

Cage used in the Comstock Mine near Virginia City, Nevada. Photo by T.H. O'Sullivan.U.S. Geological Exploration of the Fortieth Parallel (King Survey).

Cage used in the Comstock Mine near Virginia City, Nevada. Photo by T.H. O'Sullivan.U.S. Geological Exploration of the Fortieth Parallel (King Survey).

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