TY  - RPRT
TI  - Mineral reconnaissance in the southern part of the Wadi Azlam quadrangle, Saudi Arabia
AU  - Robert F. Johnson
AU  - Virgil A. Trent
PY  - 1968
DO  - 10.3133/ofr68150
UR  - https://pubs.usgs.gov/publication/ofr68150
ID  - ofr68150
ER  -