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Bureau of Mines / Minerals yearbook: Metals, minerals, and fuels 1972
Year 1972, Volume 1 (1972)

Ampian, Sarkis G.
Clays,   pp. 301-327 ff. PDF (2.9 MB)


Page 303

  totoWest Virginia -- - W -- -- 274,310 p274,310 8402,927 
Wisconsin -- -- -- --  3,851 3 851 7 085 
Wyoming -- -- -- 1,811,246 -- 61,634 1 872 880 18 509'126 
Undistributed 415,721 243,882 257,360 285,174 227,815 108,374 p1,189,026
' 14785960 
 Total 5,317,637 675,285 3,580,635 2,766,998 988,538 46,487,593 59,816,686
303,404,617 
W Withheld to avoid disclosing individual company confidential data; included
with "Undistributed." 
Includes Puerto Rico. 
Excludes bentonite. 
3 Excludes fire clay. 
4 Excludes kaolin. 
' Excludes fuller's earth. 
6 Excludes ball clay. 
' Incomplete total; remainder included in State totals. 
O 1-' 


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