TY  - GEN
AU  - Mayercheck,William D.
AU  - Jaspal,Jasinder S.
AU  - Farrar,Richard B.
TI  - Preliminary analysis of methodologies for mining thin-seam mountaintop coal resources
T2  - Information circular / Bureau of Mines
PY  - 1990///
CY  - Washington, DC
PB  - Bureau of Mines
KW  - Coal mines and mining
KW  - Appalachian Region
ER  -