@misc{indiciaef4ab3ff1d00c, title = {Aeromagnetic map of part of the Elk City 1° by 2° quadrangle, Idaho-Montana}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1972}, doi = {10.3133/gp841}, url = {https://pubs.usgs.gov/publication/gp841}, note = {Source identifier: gp841} }