TY  - RPRT
TI  - Reconnaissance investigations of ancient gold mines in the northwestern part of the Al Aqiq Quadrangle, Kingdom of Saudi Arabia
AU  - R. G. Worl
PY  - 1982
DO  - 10.3133/ofr82989
UR  - https://pubs.usgs.gov/publication/ofr82989
ID  - ofr82989
ER  -