@misc{indiciae47d59ae9ab02, title = {Geology of the Muddy Mountains, Nevada, with a section through the Virgin Range to the Grand Wash Cliffs, Arizona}, author = {Chester R. Longwell}, year = {1928}, doi = {10.3133/b798}, url = {https://pubs.usgs.gov/publication/b798}, note = {Source identifier: b798} }