TY  - RPRT
TI  - A geologic and mineral reconnaissance by helicopter in a part of the Tihamat Ash Sham quadrangle, Saudi Arabia
AU  - Virgil A. Trent
PY  - 1968
DO  - 10.3133/ofr68272
UR  - https://pubs.usgs.gov/publication/ofr68272
ID  - ofr68272
ER  -