Exploration and evaluation of the Hajrah-Hamdah group of ancient gold mines, Kingdom of Saudi Arabia
By: by A.M. Helaby and R.G. Worl.
Contributors: Worl, Ronald G.; Geological Survey (U.S.)
Series: Interagency report; Technical record / U.S. Geological Survey, Saudi Arabian Mission -- 3; Open-file report / U.S. Geological Survey -- 81-445; Technical record (Geological Survey (U.S.). Saudi Arabian Mission) -- 3.; Open-file report (Geological Survey (U.S.)) -- 81-445.
Publisher: U.S. Geological Survey
Published: 1981
Place of publication: Jiddah, Saudi Arabia
Language: eng
Format: Microform
Number of pages: 52
Subjects: Gold mines and mining -- Saudi Arabia.
Notes: Four maps on folded sheets in pocket.

Bibliography: p. 28.

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1981]. 2 microfiches.