TY  - BOOK
AU  - Katz,Frank J.
TI  - The production of silica (quartz) in 1913
T2  - Mineral Resources of the United States, calendar year 1913-Part II
U1  - 546.683 
PY  - 1914///
CY  - Washington, D.C.
PB  - Government Printing Office
KW  - MINERIA
KW  - SILICE
KW  - OXIDO DE SILICIO
KW  - PRODUCCION DE SILICE
N1  - Impreso
ER  -