Hudy, John, Jr.
Performance characteristics of coal-washing equipment dense-medium coarse-coal vessels - Washington Bureau of Mines 1968 - ii, 29 p. il - RI 7154 .
coal
preparation
Coal washing Coal preparation
622
Performance characteristics of coal-washing equipment dense-medium coarse-coal vessels - Washington Bureau of Mines 1968 - ii, 29 p. il - RI 7154 .
coal
preparation
Coal washing Coal preparation
622