TY  - BOOK
AU  - Squirrell, H. C.
AU  - Downing, R. A.
ED  - Natural Environment Research Council 
TI  - Geology of the South Wales Coalfield - Part 1 : The country around Newport (mon.) :(Explanation of one-inch geological sheet 249, new series)
U1  - 554.2 DDC 23
PY  - 1969///
CY  - London
PB  - Her majesty's stationery office 
KW  - Geology
KW  - Geology - Wales
ER  -