TY  - RPRT
TI  - The Jabal Guyan ancient gold mine, Wadi Malahah quadrangle (sheet 18/43D), Kingdom of Saudi Arabia
AU  - A. M. Helaby
AU  - F. C. W. Dodge
PY  - 1977
DO  - 10.3133/ofr7799
UR  - https://pubs.usgs.gov/publication/ofr7799
ID  - ofr7799
ER  -