SELWOOD, E. B., THOMAS, J. M., WILLIAMS,
B. J., CLAYTON,
R. E., DURNING, B., SMITH, O. & WARR, L.
N. 1998.
Geology of the Country around Trevose Head and
Camelford. Memoir for 1[ratio ]50 000 Geological Sheets 335
and 336 (England and Wales). x + 106 pp. London:
HMSO for the British Geological Survey. Price £32.50
(paperback). ISBN 0 11 884514 4.
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