Aeromagnetic map of northwestern Ontonagon County, Michigan
By: ...compiled by the U.S. 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-834.; Geophysical investigations (Geological Survey (U.S.)) -- GP-834.
Publisher: U.S. Geological Survey
Place of publication: Washington, D.C
Format: Map
Subjects: Geomagnetism -- Michigan -- Ontonagon County -- Maps.
Genres: Maps.
Notes: Relief shown by spot heights.

Includes index map.