TY  - RPRT
TI  - Aeromagnetic map of southwestern Montana and east-central Idaho
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1975
DO  - 10.3133/ofr75655
UR  - https://pubs.usgs.gov/publication/ofr75655
ID  - ofr75655
ER  -