TY  - BOOK
AU  - Gibson,Walcot
TI  - The concealed coalfield of Yorkshire and Nottinghamshire,
T2  - [Gt. Brit. Geological survey] Memoirs of the Geological survey, England and Wales
AV  - TN808.G6 G5
U1  - 520 s 
PY  - 1913///
CY  - London
PB  - Printed for H.M. Stationery off., by Darling & son. ltd.
KW  - Coal
KW  - England
KW  - Yorkshire
KW  - Nottinghamshire
KW  - Geology
N1  - Published by order of the lords commissioners of His Majesty's treasury
ER  -