@misc{indiciae486dbbc99e0d, title = {Index map of published 1:100,000-scale geologic quadrangle maps, Kingdom of Saudi Arabia}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1982}, doi = {10.3133/ofr82289}, url = {https://pubs.usgs.gov/publication/ofr82289}, note = {Source identifier: ofr82289} }