G. J. Chekan

Identifiers

Open LibraryOL712494A

Top Subjects

Coal mines and mining -- Safety measures (2)
Caving mining -- Safety measures (2)
Ground control (Mining) (2)
Coal mines and mining (2)
Pillaring (Mining) (2)
Mine subsidences (2)
Gate roads (Mining) (1)

Books by G. J. Chekan

Total count: 9

Investigation of longwall gateroad roof support characteristics at Powhatan No. 4 Mineinstrumentation plan

U.S. Dept. of the Interior, Bureau of Mines1982-01-01
Investigation of longwall gateroad roof support characteristics of Powhatan no. 4 mine : instrumentation plan

U.S. Dept. of the Interior, Bureau of Mines1982-01-01
Design of bulkheads for controlling water in underground mines

U.S. Dept. of the Interior, Bureau of Mines1985-01-01
Loading characteristics of pillars in multiple-seam mining operations

U.S. Dept. of the Interior, Bureau of Mines1988-01-01
Effects of abandoned multiple seam workings on a longwall in Virginia

U.S. Dept. of the Interior, Bureau of Mines1989-01-01
Interactions between multiple seam longwall and room-and-pillar operationsa cse study in Boone County, WV

U.S. Dept. of the Interior, Bureau of Mines1990-01-01
Analysis and design considerations for superimposed longwall gate roads

U.S. Dept. of the Interior, Bureau of Mines1992-01-01
Design practices for multiple-seam longwall mines

U.S. Dept. of the Interior, Bureau of Mines1993-01-01
Design Practices for Multiple-Seam Room-And-Pillar Mines (Information Circular)

United States Dept of Interior1994-06-01