@misc{indiciae04f354cb8fed, title = {Aeromagnetic survey of parts of the Ironwood and Wakefield 1:100,000 quadrangles in Wisconsin}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1998}, doi = {10.3133/ofr98435}, url = {https://pubs.usgs.gov/publication/ofr98435}, note = {Source identifier: ofr98435} }