TY - RPRT TI - Aeromagnetic map of the McGregor Lake-Tally Lake area, Flathead and Lincoln Counties, Montana AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1969 DO - 10.3133/gp684 UR - https://pubs.usgs.gov/publication/gp684 ID - gp684 ER -