TY  - RPRT
TI  - Preliminary geologic map of part of the Wallace 1:250,000 sheet, Idaho-Montana
AU  - J. E. Harrison
AU  - A. B. Griggs
AU  - J. D. Wells
PY  - 1974
DO  - 10.3133/ofr7437
UR  - https://pubs.usgs.gov/publication/ofr7437
ID  - ofr7437
ER  -