TY  - RPRT
TI  - Aeromagnetic map of northeastern Montana and western North Dakota
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1981
DO  - 10.3133/ofr81434
UR  - https://pubs.usgs.gov/publication/ofr81434
ID  - ofr81434
ER  -