TY - RPRT TI - 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 AU - Andrew Griscom PY - 1983 DO - 10.3133/ofr821048 UR - https://pubs.usgs.gov/publication/ofr821048 ID - ofr821048 ER -