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In forty-fourth place, commercial production for 1914 was as follows:
Area: 4,531 square miles.
Location: Northeast portion of State. Lassen County is one of the least explored sections of California. Within the past couple of years a railroad traversing the county north and south has been put in operation, thus affording opportunity for development along mineral and other lines.
Among the mineral resources of this county are copper, gems, gypsum, gold, silver, and sulphur.
In fifty-first place, commercial production for 1914 was as follows:
Area: 4,067 square miles.
Population: 800,000 (estimated by Chamber of Commerce, 1913). Mineral production in Los Angeles County for the year 1914 amounted in value to $4,665,504, as compared with the 1913 output, worth $5,833,298. This county ranks fifth in the State as a mineral producer.
Its output of brick was over a million dollars, and that of petroleum amounted nearly to two million dollars. Among its leading mineral resources may be noted asphalt, barytes, borax, brick, chromite, clay, copper, fuller's earth, gems, gold, gypsum, infusorial earth, iron, limestone, marble, mineral paint, mineral water, natural gas, petroleum, salt, glass-sand, sandstone, serpentine, silver, soapstone, and stone industry. Some potash is also found in this county.
Area: 2,112 square miles.
Location: East central portion of State.
In thirty-fifth place, commercial production for 1914 was as follows:
Area: 529 square miles.
Population: 25,114 (1910 census). Mineral production in Marin County during the year 1914 reached a value of $554,137, as compared to the 1913 output, worth $278,453. The considerable increase was due to three large contracts for rubble and macadam—the Key Route mole, San Francisco waterfront bulkhead and the Exposition roadways-rock for all of which came from Marin County. This county is not especially prolific in minerals, although among its resources along these lines are asbestos, brick, gems, mineral water, soapstone, and stone industry.
In twenty-sixth place, commercial production for 1914 was as follows:
Area: 1,463 square miles.
central portion of State. Mariposa County is one of the distinctly “mining" counties of the State, although it stands thirty-sixth on the list of counties in regard to the value of its mineral output for 1914, with a total of $187,870, as compared with the 1913 figures of $246,079.
Its mineral resources are varied, among the more important items being asbestos, barytes, copper, gems, gold, lead, marble, silver, slate, soapstone, and the stone industry.
Commercial production for 1914 was as follows:
Area: 3,453 square miles.
the Pacific Ocean on the west. Mendocino's annual mineral production is small, the 1914 output being valued at $560, ranking it fifty-fifth among the counties. That of 1913, however, was worth $9,450. In each case crushed rock was the material commercially produced.
Deposits of uncertain value, of asbestos, chromite, copper, graphite, magnesite, and mineral water have been found, as well as traces of
gold and silver. For the coming year there are good prospects for a commercial yield of manganese ore.
Commercial production for 1914 was as follows:
Area: 1,995 square miles.
Location: About the geographical center of the State. Merced County as a whole lies in the San Joaquin Valley, and it figures as one of the lesser mineral-producing counties of the State. The 1914 mineral output (in which is included the gold and silver yield of Stanislaus, there being but a single dredge in each), was valued at $112,500. Copper and crushed rock have also been commercially produced. Undeveloped deposits of antimony, quicksilver, and limestone have been noted in this county, in addition to the foregoing.
Commercial production during 1914 was as follows:
*Including output of one dredge in Stanislaus County.
Area: 3,823 square miles.
Location: The extreme northeast corner of the State. Modoc County, like Lassen, has only recently had the benefit of communication with the outside world by rail. It is at the present time, generally speaking, an unexplored country. Among its known mineral resources are: Clay, coal, gold, iron, quicksilver, salt, and silver.
In fifty-second place, commercial production for 1914 was as follows:
Area: 3,030 square miles.
about in the central portion of the State measured on a north
and south line. Gold mining has been carried on in portions of Mono County for many years, although taken as a whole it lies in a rather inaccessible country and has been but superficially explored. It is in the continuation of the highly mineralized belt which was noted in Inyo County and contains among other mineral resources barytes, bismuth, clay, copper, gold, gypsum, iron, lead, limestone, salt, silver and travertine.
In forty-eighth place, commercial production for 1914 was as follows:
Area: 3,330 square miles.
Ocean. Monterey County produced ten mineral substances during the year 1914, having a total value of $113,831, as compared with the 1913 output worth $178,679. Its mineral resources include brick, clay, copper, coal, feldspar, fuller's earth, gold, silver, gypsum, infusorial earth, limestone, mineral water, petroleum, quicksilver, glass-sand, sandstone, silver, and the stone industry.
In forty-second place, commercial production for 1914 was as follows:
3,500 3,150 4,000 21,000
7,900 39,202 7,633