Aeromagnetic map of the Bergland quadrangle and part of the White Pine quadrangle, Ontonagon and Gogebic Counties, Michigan
By: Department of the Interior, United States Geological Survey ; prepared in cooperation with the Michigan Department of Natural Resources, Geological Survey Division.
Contributors: Michigan. Geological Survey Division.
Series: Geophysical investigations -- map GP-829.; Geophysical investigations (Geological Survey (U.S.)) -- GP-829.
Publisher: The Survey
Place of publication: Washington, D.C
Format: Map
Subjects: Geomagnetism -- Michigan -- Ontonagon County -- Maps.; Geomagnetism -- Michigan -- Gogebic County -- Maps.
Genres: Maps.
Other titles: Bergland quadrangle, Ontonagon and Gogebic Counties, Michigan, aeromagnetic map.; White Pine quadrangle, Ontonagon County,Michigan, aeromagnetic map.
Notes: "Base from U.S. Geological Survey, 1956."

"Aeromagnetic survey ... flown at 500 feet above ground, 1950."

Includes index map.