@misc{indiciaec2146fb50752, title = {Aerial Magnetic, Electromagnetic, and Gamma-ray Survey, Berrien County, Michigan}, author = {Joseph S. Duval and Herbert A. Pierce and David L. Daniels and John L. Mars and Michael W. Webring and Thomas G. Hildenbrand}, year = {2002}, doi = {10.3133/ofr2002117}, url = {https://pubs.usgs.gov/publication/ofr2002117}, note = {Source identifier: ofr2002117} }