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CONTEXTS.
Page
LETTER OF TRANSMITTAL . 7
IXTRODUCTIOX 9
Ch AFTER I.
Hl'MMARY OF THE MINERAL INDUSTRY IN CALIFORNIA DURING THE
YEAR OF 1924 11
Tabulatiox of the Mineral Production Showixg Comparative Amounts
AND Values — 1923 and 1924 13
Table Showing Comparathe Mineral Production of the Various Coun-
ties IN California for 1923 and 1924 14
Total Production. 18S7-1924 15
Chai'Ter II.
FUELS (HYDROCARBONS) —
Introductory
16
Coal 16
Natural Gas 17
Petroleum 20
METALS — Chapter HI.
Introductory 36
Aluminum 37
Antimony 37
Arsenic __-- 38
Beryllium ; 39
Bismuth 39
Cadmium ^ 40
Cobalt 40
Copper 41
Gold 44
Iridium. (Sec Platinum. )
Iron 48
Lead -- 49
Manganese 50
Molybdenum 51
Nickel 52
Osmium 51
Palladium 52
Platinum 52
Quick.SILVER — -- 55
Silver 56
Tin ■- 58
Tungsten 59
Vanadium 60
Zinc 61
<"H.\PTER IV.
STRUCTURAL MATERIALS —
Introductory 62
Asphalt 63
Bituminous Rock 63
Brick and Hollow Tile 64
Cement 64
Chromitk . -■ 68
Granite '0
Limb '3
Magnesite — "•*
Marble — '^^
Onyx and Travertine 80
Sandstone 81
