@misc{indiciaebdfebc88d361, title = {Preliminary geologic map of the Elk Ridge 1 SW Quadrangle, San Juan County, Utah}, author = {Richard Q. Lewis and R. H. Campbell}, year = {1958}, doi = {10.3133/tem1068}, url = {https://pubs.usgs.gov/publication/tem1068}, note = {Source identifier: tem1068} }