TY  - RPRT
TI  - Preliminary geologic map of the east central part of the Dewey quadrangle, Custer County, South Dakota
AU  - D.A. Brobst
PY  - 1958
DO  - 10.3133/mf78
UR  - https://pubs.usgs.gov/publication/mf78
ID  - mf78
ER  -