TY - RPRT TI - Geophysical exploration in the Wadi Qatan area, Saudi Arabia AU - W. E. Davis AU - Mohammed N. Akhrass AU - Hisham Gazzaz PY - 1969 DO - 10.3133/ofr6969 UR - https://pubs.usgs.gov/publication/ofr6969 ID - ofr6969 ER -