TY  - RPRT
TI  - Preliminary geologic map of the southeast part of the Flint Hill quadrangle, Fall River County, South Dakota
AU  - Henry Bell
AU  - E.V. Post
PY  - 1957
DO  - 10.3133/mf66
UR  - https://pubs.usgs.gov/publication/mf66
ID  - mf66
ER  -