Album Caption: Beecher Rocks. Pegmatite. South of Custer, Black Hills. Custer County, South Dakota.1898. Published in U.S. Geological Survey Folio 219, Plate 3. 1925.
Summary
Album Caption: Beecher Rocks. Pegmatite. South of Custer, Black Hills.
Custer County, South Dakota.1898.
Published in U.S. Geological Survey Folio 219, Plate 3. 1925.
Image located in U.S. Geological Survey Library, Photographic Collection, Darton, N.H. Collection album, Volume 5, no.746.
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