The structural and industrial materials of California (1906)
Aubury, Lewis E., b. 1862 · Sacramento, W.W. Shannon, Superintendent State printing · leaf 390
mens, there are many models, maps, photo-graphs, and diagrams illustrating the modein practice of mining,milling, and concentrating, and the technology of the mineral indus-tries. An educational series of specimens for high schools has beeninaugurated, and new plans are being formulated that will… … t3O o o CO -5 o (:^3) 384 STRUCTURAL AND INDUSTRIAL MATERIALS OP CALIFORNIA. THE LIBRARY. This is the mining reference library of the State, constantly con-sulted by mining men, and contains between 4000 and 5000 volumesof selected works, in addition to the numerous publications of theBureau…
Building stones · Portland cement · Clay · Mines and mineral resources
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