Aeromagnetic surveying in Wisconsin 1998-99 : digital data files / by Robert E. Bracken and Suzanne W. Nicholson.
Contributors: Nicholson, S.W.
Series: U.S. Geological Survey.  Open file report 99-527
Publisher: Dept. of the Interior
Place of publication: Washington
Language: eng
Subjects: Geology - Wisconsin
Notes: 11