Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 1020
§1*^555 research .should be encouraged both bythe parties directly interested andalso by the State Universities.Lead. Lead smelting never was an im-portant industry in this State, thehighest tonnage ever produced being1,.J00 tons in 1910. •Lead is used in considerable quan-tities for the following… … W^iMMiiffMiillfS Magrnesite. California is the only State havingMagnesite deposits of commercial im-portance, and these deposits are prettywell difitributed throughout the State,but it has only been in recent yearsthat the production has assumed anyreal large proportions. Magnesite has to be…
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