TY  - BOOK
AU  - Houldsworth,Hubert
ED  - Manchester Statistical Society.
TI  - The pits of Britain / 
U1  - 310.6242 
PY  - 1953///
CY  - London : 
PB  - Norbury, Lockwood , 
KW  - Coal
KW  - Great Britain
N1  -  Includes bibliographical references
ER  -