TY  - RPRT
TI  - Geology and beryl deposits of the Peerless pegmatite, Pennington County, South Dakota
AU  - D. M. Sheridan
AU  - H.G. Stephens
AU  - M.H. Staatz
AU  - J.J. Norton
PY  - 1957
DO  - 10.3133/pp297a
UR  - https://pubs.usgs.gov/publication/pp297A
ID  - pp297A
ER  -