Exploration and evaluation of the Hajrah-Hamdah group of ancient gold mines, Kingdom of Saudi Arabia

A. M. Helaby; Ronald G. Worl

doi:10.3133/ofr81445

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Exploration and evaluation of the Hajrah-Hamdah group of ancient gold mines, Kingdom of Saudi Arabia

Open-File Report 81-445

By: A. M. Helaby and Ronald G. Worl

https://doi.org/10.3133/ofr81445

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Additional publication details
Publication type	Report
Publication Subtype	USGS Numbered Series
Title	Exploration and evaluation of the Hajrah-Hamdah group of ancient gold mines, Kingdom of Saudi Arabia
Series title	Open-File Report
Series number	81-445
DOI	10.3133/ofr81445
Year Published	1981
Language	ENGLISH
Publisher	U.S. Geological Survey,
Description	iv, 56 p., 4 over-size sheets, scale 1:10,000 and 1:2,000 ;28 cm.
Scale	10000