@misc{indiciae722ce7d8d406, title = {Aeromagnetic survey of parts of the Black River Lake, Eau Claire, Hastings, Stillwater and Winona 1:100,000 quadrangles in Wisconsin: North-east sheet: Total magnetic intensity}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1998}, doi = {10.3133/ofr98432}, url = {https://pubs.usgs.gov/publication/ofr98432}, note = {Source identifier: ofr98432} }