Identifier: copperresourceso00auburich (find matches)
Title: The copper resources of California
Year: 1905 (1900s)
Authors: Aubury, Lewis E., b. 1862
Subjects: Copper mines and mining Copper ores
Publisher: Sacramento, W.W. Shannon, Superintendent State Print.
Contributing Library: University of California Libraries
Digitizing Sponsor: Kahle/Austin Foundation and Omidyar Network

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nty beingrepresented in a separate pamphlet. Those who wish to learnthe essential facts aboitt any particular mine are referred tothem. The facts and figures are given in tabtilar form, andare accompanied by a topographical map of the county on alarge scale, showing location of each mineral deposit, towns,railroads, roads, power lines, ditches, etc. HOME OF THE BUREAU. The Mining Bureau occupies the north half of the third floorof the Ferry Building, in San Francisco. All visitors and resi-dents are invited to inspect the Museum, Library, and otherrooms of the Bureau and gain a personal knowledge of itsoperations. THE MUSEUM. The Museum now contains over 16,000 specimens, carefulhlabeled and attractiveh arranged in showcases in a great, well-lighted hall, where they can be easily studied. The collectionof ores from California mines is of course very extensive, andis supplemented by many cases of characteristic ores from theprincipal mining districts of the world. The educational value
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y. y. (265) 260 CAI.IKORNIA STATE MINING BUREAU. of the exhibit is constantly increased by substituting the bestspecimens obtainable for those of less value. These mineral collections are not only interesting, beautiful,and in every way attractive to the sightseers of all classes, butare also educational. They show to manufacturers, miners,capitalists, and others the character and quality of the eco-nomic minerals of the State, and where they are found. Planshave been formulated to extend the usefulness of the exhibit))>• special collections, such as one showing the chemical com-position of minerals; another showing the mineralogical compo-sition of the sedimentary, metamorphic, and igneous rocks ofthe State; the petroleum-bearing formations, ore bodies, andtheir country rocks, etc. Besides the mineral specimens, there are many models, maps,photographs, and diagrams illustrating the modern practice ofmining, milling, and concentrating, and the technology of themineral industries.

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