@misc{indiciaebe077c108921, title = {Reconnaissance geology of the Precambrian rocks in the Bi'r Ghamrah quadrangle, Kingdom of Saudi Arabia}, author = {William C. Overstreet and Jesse William Whitlow}, year = {1972}, doi = {10.3133/ofr72279}, url = {https://pubs.usgs.gov/publication/ofr72279}, note = {Source identifier: ofr72279} }