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
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Abstract
Suggested Citation
Helaby, A., Worl, R., 1981, Exploration and evaluation of the Hajrah-Hamdah group of ancient gold mines, Kingdom of Saudi Arabia: U.S. Geological Survey Open-File Report 81-445, iv, 56 p., 4 over-size sheets, scale 1:10,000 and 1:2,000 ;28 cm., https://doi.org/10.3133/ofr81445.
ISSN: 2331-1258 (online)
| 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 |