TY  - RPRT
TI  - Preliminary general geologic map of the Laredo quadrangle, Bearpaw Mountains, Montana
AU  - W. T. Pecora
AU  - I. J. Witkind
AU  - D. B. Stewart
PY  - 1957
DO  - 10.3133/i234
UR  - https://pubs.usgs.gov/publication/i234
ID  - i234
ER  -