The Helford depression and the 200' platform.
Publisher: Royal Cornwall Polytechnic Society
Published: 1937
Place of publication: Truro
Language: eng
Other titles: Royal Cornwall Polytechnic Society, Report, Vol.9, Part 3, 1937-41.
Notes: Hamilton Jenkin copy kept in pamphlet file.

Reprinted from: Royal Cornwall Polytechnic Society, Report, Vol.9, Part 3, 1937-41.