A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Outline of geology of California placer deposits and of old gold recovery methods; review of modern methods and equipment, featuring "doodlebug" or dragline type of dredge as used for shallow diggings; cost data; hydraulic placering; legislation; bucket dredging; resoiling.
Outline of geology of California placer deposits and of old gold recovery methods; review of modern methods and equipment, featuring "doodlebug" or dragline type of dredge as used for shallow diggings; cost data; hydraulic placering; legislation; bucket dredging; resoiling.
California gold placering
Min Contracting Rev
Blewett, P. (author)
1940
6 pages
Article (Journal)
English
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