TY  - RPRT
TI  - Preliminary geologic map of the Centennial Mountain quadrangle, Bearpaw Mountains, Montana
AU  - D. B. Stewart
AU  - W. T. Pecora
AU  - D.B. Engstrom
AU  - H.R. Dixon
PY  - 1957
DO  - 10.3133/i235
UR  - https://pubs.usgs.gov/publication/i235
ID  - i235
ER  -