@misc{indiciaea49f3a3c3afe, title = {An aeromagnetic interpretation of eleven map sheets, scale 1:250,000, in the southern Najd and part of the southern Tuwayq quadrangles, Kingdom of Saudi Arabia}, author = {Andrew Griscom}, year = {1983}, doi = {10.3133/ofr821048}, url = {https://pubs.usgs.gov/publication/ofr821048}, note = {Source identifier: ofr821048} }