California mines and minerals . Inyo, Kern, Lassen, Madera, Mariposa, Mono, Nevada, Placer,Riverside, San Bernardino, San Diego, Shasta, Sierra, Siskiyou, Trinity,and Tuolumne. The principal silver-producing counties were Shasta,Inyo, Mono, and San Bernardino. As far as banner counties are concerned, in the different min-eral products, the following is the record for 1898, with the valuesof material from the county named : Alameda leads in the production THE MINERAL INDUSTRY OF CALIFORNIA 47 of salt ($155,812), manganese ($2,102), and coal ($176,250); Butteleads in mineral paints ($3,000); El


California mines and minerals . Inyo, Kern, Lassen, Madera, Mariposa, Mono, Nevada, Placer,Riverside, San Bernardino, San Diego, Shasta, Sierra, Siskiyou, Trinity,and Tuolumne. The principal silver-producing counties were Shasta,Inyo, Mono, and San Bernardino. As far as banner counties are concerned, in the different min-eral products, the following is the record for 1898, with the valuesof material from the county named : Alameda leads in the production THE MINERAL INDUSTRY OF CALIFORNIA 47 of salt ($155,812), manganese ($2,102), and coal ($176,250); Butteleads in mineral paints ($3,000); El Dorado, in slate ($2,800); Hum-boldt, in rubble ($297,276); Inyo, in soda ($154,000), lead ($21,170),and marble ($12,000); Kern, in antimony ($1,200); Los Angeles, inpetroleum ($1,462,871), brick clays ($188,386), gypsum ($18,500),serpentine ($3,000), and sulphur ($50); Madera leads in granite($49,673); Napa, in mineral waters ($63,919), quicksilver ($472,972),magnesite ($19,075); Nevada leads in gold ($2,017,628), and pyrites. Staktini, to Sink a Pkosi-kct Shakt, Amador County, California. ($30,000); Placer has the most pottery clay ($12,000); Riversideleads in asbestos ($200); San Bernardino has the most borax ($1,120,-000), cement ($150,000), and limestone ($6,600); San Francisco quar-ries the most macadami ($129,595); San Joaquin utilizes the mostnatural gas ($57,289); Santa Barbara has the most extensive asphaltoutput ($351,400); Santa Cruz produces the most lime ($151,000), andbituminous rock ($113,893); the bulk of the copper comes from ShastaCounty ($2,465,830), and this county also leads in silver product($171,768); the most paving blocks are from Sonoma County($13,310). 48 CALIFORNIA MINES AND MINERALS The Varied Mineral Interests.—It has been impossible, in thespace assigned, to give more than a mere glance at the mineralindustries of this State aside from the gold interests, but some ofthe substances named in the preceding lists are of great economicimportance. Mo


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