Chaiken, Robert F.
Controlled burnout of wasted coal on abandoned coal mine lands / by Robert F. Chaiken. - [Washington, D.C.] : U.S. Dept. of the Interior, 1980. - 23 p. : ill. - Report of investigations / Bureau of Mines, U.S. Department of the Interior ; 8478 . - Report of investigations (U.S. Department of the Interior. 8478. .
92055028
Coal gasification, Underground.
Abandoned coal mines--Environmental aspects.
Heat recovery.
Controlled burnout of wasted coal on abandoned coal mine lands / by Robert F. Chaiken. - [Washington, D.C.] : U.S. Dept. of the Interior, 1980. - 23 p. : ill. - Report of investigations / Bureau of Mines, U.S. Department of the Interior ; 8478 . - Report of investigations (U.S. Department of the Interior. 8478. .
92055028
Coal gasification, Underground.
Abandoned coal mines--Environmental aspects.
Heat recovery.