TY  - RPRT
TI  - Aeromagnetic and geologic map of part of northwestern Montana and northern Idaho
AU  - M. D. Kleinkopf
AU  - J. E. Harrison
AU  - R. E. Zartman
PY  - 1972
DO  - 10.3133/gp830
UR  - https://pubs.usgs.gov/publication/gp830
ID  - gp830
ER  -