BOOKQUE

Safety Aspects of Longwall Mining in the Illinois Coal Basin
Ernest A. Curth
· 1978
Geologic and Ground-control Aspects of an Experimental Shortwall Operation in the Upper Ohio Valley
Noel N. Moebs , Ernest A. Curth
· 1976
Remedial and Strata Replacement Techniques on Longwall Faces: A Report on the State of the Art
Robert S. Dalzell , Ernest A. Curth
· 1985
Relative Pressure Changes in Coal Pillars During Extraction: A Progress Report
Ernest A. Curth
· 1967
Longwall Roof Support Technology in the Eighties: A State-of-the-art Report
Ernest A. Curth , Jeffrey M. Listak , United States. Bureau of Mines
· 1985
Thin Seam Coal Mining Technology
J. Clark , J. H. Caldon , Ernest A. Curth
· 1982
Causes and Prevention of Transportation Accidents in Bituminous Coal Mines
Ernest A. Curth
· 1971
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Longwall Mining of Thin Seams
Ernest A. Curth
· 1977
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Geologic and Ground Control Aspects of an Experimental Shortwall Operation in the Upper Ohio
Noel N. Moebs , Ernest A. Curth
· 1976
No image available
Geologic and ground-control aspects of an experimental shortwall operation in the Upper Ohio Valley
Noel N. Moebs , Ernest A. Curth
· 1976