TY  - RPRT
TI  - Mineral reconnaissance of the southern part of the Wadi Qaraqir quadrangle, Saudi Arabia
AU  - Robert Francis Johnson
AU  - Virgil A. Trent
PY  - 1972
DO  - 10.3133/ofr72196
UR  - https://pubs.usgs.gov/publication/ofr72196
ID  - ofr72196
ER  -