TY  - GEN
AU  - Organiscak,John A.
AU  - Page,Steven J.
AU  - Jankowski,Robert A.
TI  - Sources and characteristics of quartz dust in coal mines
T2  - Bureau of Mines information circular
PY  - 1990///
CY  - Washington, DC
PB  - U.S. Dept. of the Interior, Bureau of Mines
KW  - Quartz dust
KW  - Coal mines and mining
KW  - Dust control
ER  -