TY  - BOOK
AU  - Page,Lincoln R.
TI  - Pegmatite investigations 1942-1945, Black Hills, South Dakota,
AV  - QE75 .P9 no. 247
U1  - 553.1552.1 
PY  - 1953///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Pegmatites
KW  - South Dakota
KW  - Black Hills (S.D. and Wyo.)
KW  - Mines and mineral resources
N1  - Part of the illustrative materials in pocket; "Selectd bibliography": p. 222-223
ER  -