TY  - BOOK
AU  - Bulman,H.F.
AU  - Redmayne,R.A.S,trl
TI  - Colliery working and management
U1  - 131 
PY  - 1906///
CY  - London
PB  - [s.n.]
KW  - Engineering Geology
KW  - Geophysics
KW  - Mining engineering
ER  -