Aeromagnetic map of the Thompson Falls quadrangle, Lincoln and Sanders Counties, Montana
By: compiled by Lockwood, Kessler, and Bartlett, Inc.
Contributors: Lockwood, Kessler, and Bartlett, Inc.
Series: Geophysical investigations map -- GP-686.; Geophysical investigations (Geological Survey (U.S.)) -- GP-686.
Publisher: U.S. Geological Survey
Place of publication: Washington, D.C
Format: Map
Subjects: Geomagnetism -- Montana -- Lincoln County -- Maps.; Geomagnetism -- Montana -- Sanders County -- Maps.
Genres: Maps.
Other titles: Thompson Falls quadrangle, Montana.
Notes: "Aeromagnetic survey flown at 7,000 feet barometric elevation ... 1968."

Includes index map.