Table 2.—Mineral production 1 in the United States—Continued

Mineral — 
1964 
——————— 
1965 
 — 
1966 
  
Quantity Value (thousands) 
1967 
—  Quantity Value 
(thousands) 
 
 
Quantity Value (thousands) 
Quantity Value (thousands) 
 
 
 
Value of items that cannot be disclosed: Beryllium concentrate, cobalt, columbium-tantalum
concentrate (1967), magnesium chloride for magnesium metal, manganiferous
residuum, platinum—group metals (crude), rare-earth metal concentrates,
zirconium 
 concentrate, and values indicated by footnote XX $40,183 XX $44,804 XX ' $46,805

 Total metals XX 2,366,000 XX r 2,544,000 XX 2,703,000      — Grand
total mineral production XX' 20,612,000 XX r 21,524,000 XX ' 22,991,000 
 
 
 
XX $50,190 
w 
~ 
 
 
 
 
XX 2,333,000 
 —= 
 
 
 
 
 
XX 23,736,000 
 
 Revised. NA Not available. XX Not applicable. 
1 Production as measured by mine shipments, sales, or marketable production
(including consumption by producers). 
2 Includes small quantity of anthracite mined in States other than Pennsylvania.

Final figure; supersedes figure given in commodity section. 
Grindstones, pulpstones, millstones (weight not recorded), grinding pebbles,
sharpening stones, and tube-mill liners. 
Figure withheld to avoid disclosing individual company confidential data;
value included with "Nonmetal items that cannot be disclosed." 
4 Excludes abrasive stone, bituminous limestone, bituminous sandstone, and
ground soapstone, all included elsewhere in table. 
7 Figure withheld to avoid disclosing individual company confidential data;
value included with "Metal items that cannot be disclosed." 
8 Beginning with 1964, the basis for reporting uranium ore has been replaced
by uranium (recoverable content U308).