@misc{indiciae8d749db5e64a, title = {Aeromagnetic map of the Challis, May, Lone Pine Peak, and Doublespring quadrangles, east-central Idaho}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1971}, doi = {10.3133/ofr71291}, url = {https://pubs.usgs.gov/publication/ofr71291}, note = {Source identifier: ofr71291} }