@misc{indiciae9582b4e94183, title = {Preliminary geologic map of the Clay Hills 2 NW Quadrangle, San Juan County, Utah}, author = {Thomas E. Mullens}, year = {1958}, doi = {10.3133/tem1093}, url = {https://pubs.usgs.gov/publication/tem1093}, note = {Source identifier: tem1093} }