TY  - RPRT
TI  - Geology of the Mahd Adh Dhahab District, Kingdom of Saudi Arabia
AU  - A.M. Afifi
PY  - 1990
DO  - 10.3133/ofr90315
UR  - https://pubs.usgs.gov/publication/ofr90315
ID  - ofr90315
ER  -