TY  - RPRT
TI  - Map of mines, prospects, and patented mining claims, and classification of mineral deposits in the Nahant 7 1/2 minute Quadrangle, Black Hills, South Dakota
AU  - Ed DeWitt
AU  - D. P. Buscher
AU  - A.B. Wilson
AU  - T.M. Johnson
PY  - 1988
DO  - 10.3133/ofr87261c
UR  - https://pubs.usgs.gov/publication/ofr87261C
ID  - ofr87261C
ER  -