TY  - RPRT
TI  - Reconnaissance geologic map of the Jibal Hibran Quadrangle, sheet 27/40 B, Kingdom of Saudi Arabia
AU  - E. B. Ekren
PY  - 1984
DO  - 10.3133/ofr84380
UR  - https://pubs.usgs.gov/publication/ofr84380
ID  - ofr84380
ER  -