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Photography
Andalusite
from
Custer, Custer Mining District, Custer County, South Dakota, USA
USA
South Dakota
Custer County
Custer Mining District
Custer
ⓘ
Beecher Lode
Smith, Arthur E., Fritzsch, Eric (2000) SOUTH DAKOTA.
Rocks & Minerals
, 75 (3) 156-169
doi:10.1080/00357520009605635
ⓘ
Beecher No. 3
Roberts, Willard Lincoln, Rapp, George Jr. (1965) Mineralogy of the Black Hills.
Bulletin
18. South Dakota School of Mines and Technology
Redden, Jack Allison (1959) Beryl deposits of the Beecher No.3 Black Diamond pegmatite, Custer County, South Dakota. USGS Bulletin: 1072-
ⓘ
Custer Mountain lode (Snookum mine)
Smith, Arthur E., Fritzsch, Eric (2000) SOUTH DAKOTA.
Rocks & Minerals
, 75 (3) 156-169
doi:10.1080/00357520009605635
ⓘ
Elkhorn Mine (Tinsley Mine)
Roberts, Willard Lincoln, Rapp, George Jr. (1965) Mineralogy of the Black Hills.
Bulletin
18. South Dakota School of Mines and Technology
Wilmarth, V. R. (1963) Exploration for beryllium at the Helen Beryl, Elkhorn, and Tin Mountain pegmatites, Custer County, South Dakota. USGS Prof. Paper 297C.
Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955.
Professional Paper
300. US Geological Survey
doi:10.3133/pp300
Staatz, M. H.
Norton, J. J.
ⓘ
Unnamed pegmatite
Roberts, Willard Lincoln, Rapp, George Jr. (1965) Mineralogy of the Black Hills.
Bulletin
18. South Dakota School of Mines and Technology
and/or