TY  - GEN
AU  - Saltsman,R.D.
AU  - Grumer,J.
ED  - United States.
TI  - Methods for sampling noncombustible content of coal mine dust
T2  - Report of investigations
PY  - 1975///
CY  - Washington, D.C.
PB  - U.S. Dept. of the Interior, Bureau of Mines
KW  - Mine dusts
ER  -