@misc{indiciae7168d4e6ab86, title = {Geologic map of the west half of the Blythe 30' by 60' quadrangle, Riverside County, California and La Paz County, Arizona}, author = {Paul Stone}, year = {2006}, doi = {10.3133/sim2922}, url = {https://pubs.usgs.gov/publication/sim2922}, note = {Source identifier: sim2922} }