TY  - RPRT
TI  - Preliminary geologic map of the southwest part of the Flint Hill quadrangle, Fall River County, South Dakota
AU  - Henry Bell
AU  - E.V. Post
PY  - 1957
DO  - 10.3133/mf65
UR  - https://pubs.usgs.gov/publication/mf65
ID  - mf65
ER  -