TY - RPRT TI - Reconnaissance geochemical survey of the At Taif-Al Bahah region, southern Hijaz, Kingdom of Saudi Arabia AU - E. A. Du Bray AU - J. L. Doebrich PY - 1982 DO - 10.3133/ofr82790 UR - https://pubs.usgs.gov/publication/ofr82790 ID - ofr82790 ER -