TY  - RPRT
TI  - Mineral investigations in the Jabal Radwa quadrangle, northwest Hijaz, Saudi Arabia
AU  - Robert Francis Johnson
AU  - Virgil A. Trent
PY  - 1968
DO  - 10.3133/ofr68148
UR  - https://pubs.usgs.gov/publication/ofr68148
ID  - ofr68148
ER  -