✦ LIBER ✦
Survey of the connecting tunnels driven from Western areas gold mining Co. Ltd., to Elsburg gold mining Co. Ltd., with the aid of the gyro-theodolite : Vogelzang, A Aspeling, JF 2F. J. Inst. Mine Surv. S.A. V17, N4, Dec. 1973, P79–82
- Publisher
- Elsevier Science
- Year
- 1974
- Tongue
- English
- Weight
- 140 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0148-9062
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