TY  - RPRT
TI  - Preliminary geologic map of the Shambo quadrangle, Bearpaw Mountains, Montana
AU  - J.H. Kerr
AU  - W. T. Pecora
AU  - D. B. Stewart
AU  - H.R. Dixon
PY  - 1957
DO  - 10.3133/i236
UR  - https://pubs.usgs.gov/publication/i236
ID  - i236
ER  -