TY  - RPRT
TI  - Geology and pegmatites of part of the Fourmile area, Custer County, South Dakota
AU  - Andrew J. Lang
AU  - Jack Allison Redden
PY  - 1953
DO  - 10.3133/cir245
UR  - https://pubs.usgs.gov/publication/cir245
ID  - cir245
ER  -