@misc{indiciaea3d6885a2bff, title = {Photogeologic map of Mount Peale 1 quadrangle, Grand and San Juan Counties, Utah, and Montrose County, Colorado}, author = {R.J. Hackman}, year = {1953}, doi = {10.3133/ofr5390}, url = {https://pubs.usgs.gov/publication/ofr5390}, note = {Source identifier: ofr5390} }