TY  - BOOK
AU  - Mathers,S.J.
TI  - The sand and gravel resources of the country around Whitchurch and Malpas, Clwyd, Cheshire and Shropshire - Description of 1:25 000 sheet SJ 44, 54
PY  - 1983///
CY  - London
PB  - Institute of Geological Sciences
ER  -