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Area: 608 square miles.

Population: 6,329 (1910 census).

Location: Bounded by Butte County on the north and Sacramento on the south.

Sutter is one of only two counties in the state which reported no commercial output of some kind of mineral substance during 1915. Both clay and coal exist here, but deposits of neither mineral have been placed on a productive basis.

SUTTER.

Area: 2,893 square miles.

Population: 11,401 (1910 census).

Location: North central portion of the state, bounded on the north by Shasta.

Brick

Mineral water

Stone, miscellaneous

Tehama stands fifty-third among the fifty-six mineral-producing counties of the state. Its mineral output during 1915 was valued at $4,702, as compared with the 1914 production, worth $300.

Among its mineral resources are listed: Brick, chromite, copper, gold, marble, mineral water, salt, silver, and miscellaneous stone. Commercial production for 1915 was as follows:

TEHAMA.

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$2,700

500

750

752

Other minerals*

Total

*Includes chrome and salt.

TRINITY.

$4,702

Area: 3,166 square miles.

Population: 3,301 (1910 census).

Location: Northwestern portion of state.

Trinity, like Siskiyou County, requires transportation facilities to further the development of its many and varied mineral resources. Deposits of asbestos, barytes, chromite, copper, gold, mineral water, platinum, quicksilver, silver, and building stone are known here, but with the exception of gold and copper, very little active production of these mineral substances is possible, as yet.

In twenty-ninth place, commercial output for 1915 was:

Gold

Mineral water

Platinum

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120 gals.
-13 ounces

Value

$441,846

360

435

Total

Silver

Stone, miscellaneous

Other minerals

-----

Brick
Feldspar
Limestone

Magnesite

Area: 4,856 square miles.

Population: 35,440 (1910 census).

Total

Stone, miscellaneous
Other minerals*

TULARE.

Substance

*Includes chrome and silica.

Location: Bounded by Inyo on the east, Kern on the south, Fresno on the north.

Tulare stands thirty-eighth on the list of mineral-producing counties. Her mineral resources, among others, are: Brick, clay, copper, feldspar, graphite, gems, limestone, magnesite, marble, natural gas, quartz, glass-sand, soapstone, miscellaneous stone, and zinc. Tulare leads the state in magnesite output.

Commercial production for 1915 was as follows:

TUOLUMNE.

Amount

5,520 M. 1,800 tons 1,349 tons 11,574 tons

3,470

900 52,500

$499,511

Value

$33,364

6,500

1,888 104,166 36,851

1,830

$184,599

Area: 2,190 square miles.

Population: 9,979 (1910 census).

Location: East central portion of state-Mother Lode district. Tuolumne ranks nineteenth among the counties of the state relative to its total value of mineral output. As a producer of marble its standing is first.

Chromite, clay, copper, gold, lead, limestone, marble, mineral paint, platinum, soapstone, silver, and miscellaneous stone, are among its mineral resources.

Commercial production for 1915 was as follows:

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VENTURA.
Area: 1,878 square miles.
Population: 18,347 (1910 census).
Location: Southwestern portion of state, bordering on Pacific

Ocean. Ventura is the twenty-first county in the state in respect to the value of its mineral production for 1915, the exact figure being $904,767, as compared with the output for 1914, worth $1,000,729.

The highest gravity petroleum produced in the state is found here.

Among its other mineral resources are: Asphalt, borax, brick, clay, mineral water, natural gas, sandstone, and miscellaneous stone.

Commercial production for 1915 was as follows:

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YOLO. Area: 1,014 square miles. Population: 13,926 (1910 census). Location: Sacramento Valley, bounded by Sutter on the east and

Colusa on the north. The mineral production from Yolo County during the year 1915 consisted principally of quicksilver and miscellaneous stone valued at $2,040, ranking it in fifty-fifth place. Deposits of undetermined value of iron and sandstone have been discovered within the confines of this county.

Commercial production for 1915 was as follows:

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YUBA.
Area: 639 square miles.
Population: 10,042 (1910 census).
Location: Lies west of Sierra and Nevada counties; south of

Plumas. Yuba is tenth of the fifty-six mineral producing counties of the state, and is third in regard to gold output. Quicksilver and iron deposits have been reported in this county, aside from the following commercial production as reported for the year 1915 :

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CHAPTER EIGHT.

MINING LAWS.

The fundamental Federal and California statutes governing mining, the California

mine bell signals and forms of location notices are given herewith.

MINING BUREAU ACT.

Chapter 679.
[Stats., 1913.]

An act establishing a state mining bureau, creating the office of state mineralogist,

fixing his salary and prescribing his powers and duties; providing for the employment of officers and employees of said bureau, making it the duty of persons in charge of mines, mining operations and quarries to make certain. reports, providing for the investigation of mining operations, dealings and transactions and the prosecution for defrauding, swindling and cheating therein, creating a state mining bureau fund for the purpose of carrying out the provisions of this act and repealing an act entitled "An act to provide for the establishment, maintenance, and support of a bureau, to be known as the state mining bureau, and for the appointment and duties of a board of trustees, to be known as the board of trustees of the state mining bureau, who shall have the direction, management and control of said state mining bureau, and to provide for the appointment, duties, and compensation of a state mineralogist, who shall perform the duties of his office under the control, direction and supervision of the board of trustees of the state mining bureau," approved March 23, 1893, and all acts amendatory thereof and supplemental thereto or in conflict herewith,

[Approved June 16, 1913. In effect August 10, 1913.]

The people of the state of California do enact as follows:

SECTION 1. There is hereby created and established a state mining bureau. The chief officer of such bureau shall be the state mineralogist, which office is hereby created.

SEC. 2. It shall be the duty of the governor of the state of California and he is hereby empowered to appoint a citizen and resident of this state, having a practical and scientific knowledge of mining, to the office of state mineralogist. Said state mineralogist shall hold his office at the pleasure of the governor. He shall be a civil executive officer. He shall take and subscribe the same oath of office as other state officers. He shall receive for his services a salary of three hundred dollars ($300) per month, to be paid at the same time and in the same manner as the salaries of other state officers. He shall also receive his necessary traveling expenses when traveling on the business of his office. He shall give bond for the faithful performance of his duties in the sum of ten thousand dollars ($10,000), said bond to be approved by the governor of the state of California.

SEC. 3. Said state mineralogist shall employ competent geologists, field assistants, qualified specialists and office employees when necessary in the execution of his plans and operations of the bureau, and fix their compensation. The said employees shall be allowed their necessary traveling expenses when traveling on the business of said department and shall hold office at the pleasure of said state mineralogist.

SEC. 4. It shall be the duty of said state mineralogist to make, facilitate, and encourage, special studies of the mineral resources and mineral industries of the state. It shall be his duty: to collect statistics concerning the occurrence and production of the economically important minerals and the methods pursued in making

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