@misc{indiciaefb95e74d5a60, title = {Geologic map of the Fort Defiance quadrangle, Apache County, Arizona, and McKinley County, New Mexico}, author = {Robert E. Thaden}, year = {1989}, doi = {10.3133/gq1648}, url = {https://pubs.usgs.gov/publication/gq1648}, note = {Source identifier: gq1648} }