Feldspar in second quarter 1993
by United States. Bureau of Mines
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First published: 1993
1 language
Description
"Based on reported and estimated data, U.S. production of marketable feldspar (including aplite) was 202,000 metric tons, according to the U.S. Bureau of Mines (USBM). Production data were obtained from 7 of the 11 active mill operations, representing an estimated 80% of feldspar production"--Page [1].
