TY  - RPRT
TI  - Geology and mineral deposits of the Wadi an Nuqumi quadrangle, Kingdom of Saudi Arabia
AU  - C. L. Hummel
PY  - 1972
DO  - 10.3133/ofr72176
UR  - https://pubs.usgs.gov/publication/ofr72176
ID  - ofr72176
ER  -