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Bureau of Mines / Minerals yearbook metals, minerals, and fuels 1972
Year 1972, Volume 1 (1972)
Meisinger, Arthur C.
Pumice and volcanic cinder, pp. 1069-1073 ff.
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Page 1070
3,500 Tolol 500 965 1955 1960 Figure 1.—Pumice and volcanic cinder sold or used by producers in the United States, by use. 970 :1070 MINERALS YEARBOOK, 1972 Table 2.—Pumice, pumicite and volcanic cinder sold or used by producers in the United States, by State (Thousand short tons and thous and dollars) 1971 1972 * State Quantity Value Quantity Value Arizona 949 625 915 722 California Colorado 699 62 1,179 W 731 59 1,507 W Hawaii 289 779 379 762 Nevada 112 232 W W New Mexico 287 601 311 809 Oregon Texas ' 943 4 ' 1,389 4 923 W 1,512 W Utah 6 10 14 26 Other States ' 40 395 482 1,199 Total' American Samoa ' 3,391 10 ' 5,214 35 3,813 6 6,539 27 Revised. W Withheld to avoid disclosing individual company confidential data; included with "Other States." ' Colorado (value), Idaho, Kansas, Nebraska, Nevada (1972), North Dakota (1972), Oklahoma, Texas (1972), Washington, and Wyoming (1972). ' Data may not add to totals shown because of independent rounding. 4000 2,500 C 0 0 ~ 2,000 ,, 0 Lu 0 ~ 1,500 :D 0. 1,000
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