TY  - BOOK
AU  - Merritt,Roy D.
TI  - Coal exploration, mine planning, and development
SN  - 0815510705 
PY  - 1986///
CY  - Park Ridge, N.J., U.S.A.
PB  - Noyes Publications
KW  - Coal mines and mining
KW  - Prospecting
KW  - Mineral industries
ER  -