@misc{indiciaed526290f481e, title = {Aeromagnetic maps of the Colorado River region including the Kingman, Needles, Salton Sea, and El Centro 1 degree by 2 degrees quadrangles, California, Arizona, and Nevada}, author = {John Mariano and V.J. Grauch}, year = {1988}, doi = {10.3133/mf2023}, url = {https://pubs.usgs.gov/publication/mf2023}, note = {Source identifier: mf2023} }