Table 1.—Mineral production in California 1 
 
 1966  1967Mineral                    — —                   
 Quantity Value Quantity Value 
 (thousands) (thousands) 
(2) 
 $6,945 77,091 $6,726 
 104 10 71 
 68,209 955,000 74,130 
 146,302 42,034 137,961 
 6,708 2,609 6,037 
 780 788 602 
 W 94,769 W 
 200 NA 200 
 2,267 40,570 1,420 
 3,064 1,241 3,150 
 597 1,735 486 
 8,764 539 8,696 
 7,413 76,592 6,882 
 7,100 16,385 8,018 
 223,175 681,080 202,290 
588,250 
366,643 
55,734 
30,014 
359,219 
 
866 
 1,732 
116,125 
 
145 
37,186 
568 
143,466 
W 
441 
44,610 
19,065 
 4,512 
396 
829,133 
 
 1,357 
W 
139,212 
 
224 
55,263 
3 
 1,945 
W 
122 
' 46,651 
 17,304 
 5,748 
384 
812,834 
 1,763 
W 
139,157 
246 
 61,336 
 1,847 
21 
97 
' 141,449 
' 1,710,470 
' 1,654,000 
XX 143,722 
XX 1,696,233 
XX P1,623,000 
Alameda $22,873,682 $23,790,832 
Alpine 
 
Amador            
 
Butte 
 
Calaveras           
 
Colusa            Contra Costa - - - - - - - 
Del Norte         See footnotes at end of table. 138 MINERALS YEARBOOK, 1967

Antimony ore and concentrates short tons, antimony 
 content 1 
Asbestos short tons~ 81,671 
Barite (crude) thousand short tons  15 
Boron minerals short tons  866,000 
Cement thousand 376-pound barrels  45,387 
Clays thousand short tons~ 2,984 
Copper (recoverable content of ores, etc.) 
 short tons~ 1,078 
Feldspar long tons~ 100,915 
Gemstones  NA 
Gold (recoverable content of ores, etc.) - troy ounces - 64,764 
Gypsum thousand short tons. 1,207 
Lead (recoverable content of ores, etc.) short tons. 1,976 
Lime thousand short tons~ 552 
Magnesium compounds from sea-water bitterns 
 (partly estimated). short tons, MgO equivalent  87,816 
Mercury 76-pound fiasks. 16,070 
Natural gas million cubic feet.. 715,113 
Natural gas liquids: 
Natural gasoline and isopentane 
 thousand gallons - - 607,286 
   LP gases and ethane do~ 353,164 
   Condensate do. ~ 70,582 
Peat short tons~ 29,235 
Petroleum (crude) thousand 42-gallon barreis. - 3 345,295 
Pumice, pumicite, and volcanic cinder 
 thousand short tons~ 580 
Salt (common) do~.. 1,693 
Sand and gravel .do~. 120,692 
Silver (recoverable content of ores, etc.) 
 thousand troy ounces  190 
Stone  thousand short tons~ 43,051 
Sulfur ore long tons~ 557 
Talc, pyrophyllite and soapstone short tons~ 138,340 
Tin concentrates (content) long tOns.  13 
Zinc (recoverable content of ores, etc.)..short tons~ 335 
Value of items that cannot be disclosed: Bromine, 
 calcium chloride, calcite (optical grade) (1966), car 
 bon dioxide, coal (lignite), diatomite, iodine, (1966), 
 iron ore, lithium minerals, mica (scrap), molyb 
 denum, perlite, platinum-group metals, potassium 
 salts, rare-earth metals, sodium carbonate, sodium 
 sulfate, tungsten concentrates, uranium (1966), wol 
 lastonite, and values indicated by symbol W       XX 
 
Total                                          
Total 1957-59 constant dollars 
 
 
 ' Revised. NA Not available. W Withheld to avoid disclosing individual company
confidential data; included with "Value of items that cannot be disclosed."
XX Not applicable. 
 1 Production as measured by mine shipments sales, or marketable production
(including consumption by producers). 
 2 Less than )/~ unit. 
 3 Excludes condensate. 
 Includes slate. 
 
 
Table 2.—Value of mineral production in California, by counties 
 
County 1966 1967 Minerals produced in 1967 in order of value 
 
Sand and gravel, salt, stone, magnesium compounds, lime, petroleum, bromine,
clays. 
 57,564 79,107 Sand and gravel, stone, silver, gold, lead, zinc, 
    copper. 
 3,066,348 3,202,953 Sand and gravel, clays, coal, stone, soapstone, 
    gold. 
 3,555,712 3,903,017 Natural gas, sand and gravel, stone, gold, silver. 
 19,407,836 18,215,656 Cement, asbestos, stone, clays, sand and gravel, 
    gold, silver. 
 4,847,288 4,422, 745 Natural gas, sand and gravel, mercury. 
 ' 17,971,749 16,284,281 Natural gas, stone, petroleum, sand and gravel,

    lime, peat, natural gas liquids, clays, mercury. 
 504, 941 990,329 Stone, sand and gravel, gold.