A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Oregon. Llano De Oro placers, Waldo district, Oregon
Describes gold placer mine in southwestern Oregon, with nearly 5000 acres of auriferous gravels and equipped with ditches providing large water supply; history; geology; gravels; present operations; electric power; shops; laboratory; sawmill, etc.
Oregon. Llano De Oro placers, Waldo district, Oregon
Describes gold placer mine in southwestern Oregon, with nearly 5000 acres of auriferous gravels and equipped with ditches providing large water supply; history; geology; gravels; present operations; electric power; shops; laboratory; sawmill, etc.
Oregon. Llano De Oro placers, Waldo district, Oregon
Min. Jl
Kellogg, A.E. (author)
Mining Journal ; 7
1928
3 pages
4 Figs.
Article (Journal)
English
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