A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Sept 27 1930 n 4962 p 762-763: Desirability of increasing gold production; lode gold mining now at peak; alluvial gold rushes have led to rapid development of countries; many known placer fields still exist; important points in prospecting and examination of areas. Oct 4 1930 n 4963 p 781-782: Gold dredging. Oct 11 1930 n 4964 p 799-800: Working costs; bulk treatment of alluvials; dredging working costs; dredgable areas numerous; saving and treatment of gold concentrates; outlet for dormant British Capital is foreseen.
Sept 27 1930 n 4962 p 762-763: Desirability of increasing gold production; lode gold mining now at peak; alluvial gold rushes have led to rapid development of countries; many known placer fields still exist; important points in prospecting and examination of areas. Oct 4 1930 n 4963 p 781-782: Gold dredging. Oct 11 1930 n 4964 p 799-800: Working costs; bulk treatment of alluvials; dredging working costs; dredgable areas numerous; saving and treatment of gold concentrates; outlet for dormant British Capital is foreseen.
A plea for alluvial gold mining
Min. Jl., (Lond.)
Williams, F.H. (author)
Mining Journal (London) ; 170
1930
Article (Journal)
English
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Dredge Mining for Alluvial Gold in North & South America
Online Contents | 1996
| Engineering Index Backfile | 1900