TY  - RPRT
TI  - Geology and mineral deposits of the Jabal ash Shumta quadrangle, Kingdom of Saudi Arabia
AU  - C. L. Hummel
AU  - Abdullah O. Ankary
PY  - 1972
DO  - 10.3133/ofr72177
UR  - https://pubs.usgs.gov/publication/ofr72177
ID  - ofr72177
ER  -