TY  - BOOK
AU  - Sinclair, John
TI  - GROUND MOVEMENT AND CONTROL AT COLLIERIES
U1  - 622.83 
PY  - 1963///
CY  - London
PB  - I. Pitman
KW  - Subsidences (Earth Movements)
KW  - Mining Engineering-Safety Measures
N1  - Includes Bibliograhphies
ER  -