TY  - RPRT
TI  - Geologic map of the Slim Buttes area, Harding County, South Dakota
AU  - N.M. Denson
AU  - George Odell Bachman
AU  - H. D. Zeller
PY  - 1955
DO  - 10.3133/coal35
UR  - https://pubs.usgs.gov/publication/coal35
ID  - coal35
ER  -