U.S. Geological Survey Photographic Library

ID. King, 18

East Humboldt Mountains in Nevada. Quartzites at the head of Glacial Canyon. Photo by T.H. O'Sullivan.U.S. Geological Exploration of the Fortieth Parallel (King Survey).

East Humboldt Mountains in Nevada. Quartzites at the head of Glacial Canyon. Photo by T.H. O'Sullivan.U.S. Geological Exploration of the Fortieth Parallel (King Survey).

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