TY  - RPRT
TI  - Preliminary unevaluated geologic map of the Marias River valley area, Toole and Liberty counties, Montana
AU  - K. H. Holmes
AU  - T. E. Bretz
PY  - 1978
DO  - 10.3133/ofr781047
UR  - https://pubs.usgs.gov/publication/ofr781047
ID  - ofr781047
ER  -