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Bureau of Mines / Minerals yearbook: Area reports: domestic 1978-79
Year 1978-79, Volume 2 (1978-1979)

Ballard, Rose L.
Statistical summary,   pp. 1-31 ff. PDF (2.8 MB)


Page 3

 STATISTICAL SUMMARY 3 
Table 2.—Nonfuel mineral production1 in the United States -~-Continued
 1977 1978 1979 
Mineral  Value  Value  Value Quantity (thou- Quantity (thou- Quantity (thou
 sands)  sands)  sands) 
NONMETALS (EXCEPT FUELS) 
—Continued 
Salt thousand short tons — 43,412 $451,579 42,869 $499,345 45,793
$538,352
Sandandgravel                do.._ 929,200 2,028,000 996,200 2,302,000 979,000
2,427,000Sodium carbonate (natural)        do_ - — —
6,228 337,516
6,790 371,255 W WSodium sulfate (natural)                thousand short tons_
 636 29,313 605 27,866 533 29,689Stone3                      do___ 955,371
2,456,932 1,050,960 2,885,689 1,098,617 3,398,968Sulfur, Frasch process thousand
metric tons_ — 6,030 294,733 5,736 279,918 7,507 449,433Talc, soapstone,
pyrophyllite — — ton&. — 1,204,835
13,085 1,383,752
15,767 1,452,733 20,364Tripoli                      do__ 125,661 777 118,671
756 116,009 6,279Vermiculite        thousand short ton&. —
359
18,579 337 19,734 346 21,955Combined value of aplite, emery graphite, io
dine, kyanite, lithium minerals, magnesite, greensand marl, olivine, staurolite,
woilaston ite, and values indicated by symbol W XX 56,043 XX 222,567 XX 740,520
 Totalnonmetals XX r11,702,000 XX 13,525,000 XX 15,449,000 Grandtotal XX
r16,930,~® XX 19,821,000 XX 23,966,000 
 e5~timate. r~~j~j NA Not available. W Withheld to avoid disclosing company
proprietary data; included in "Combined value" figure. XX Not applicable.
1Production as measured by mine shipments, sale~ or marketable production
(including consumption by producers). 
2Grindstones, pulpstones, grinding pebbles, sharpening stones, and tube mill
linera 
 3Excludes abrasive stone, bituminous limestone, bituminous sandstone, and
soapstone, all included elsewhere in table. 


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