\\\express & Echo
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R. J. Cleevely
Frank E. Whiting
J. F. Long
David I. Green
H. Macan
Clive Nicholas
Sarah Paynter
W. J. Prew
R. B. Cluer
Arthur Roope Hunt
E. G. Syme Saunders
K. E. Beer
Herbert A. Gribble
Neil Maxted
Frank P. Perkins
F. A. Henson
A. T. J. Dollar
Devon County Council
S. R. Pattison
Peter F. Claughton
Natural Environmental Research Council
Cecil Carus-Wilson
R. C. Leake
British Geological Survey
Don Cameron
C. M. Cawley