The cessation of activity at the site corresponds with the death of Patrick Stirling and the subsequent appointment of a new Chief Mechanical Engineer, Henry Ivatt, who upgraded the permanent way to accommodate heavier traffic.
A current link to the
Lincolnshire Wildlife Trust page for Deeping Lakes:
http://www.lincstrust.org.uk/reserves/Deeping-Lakes
I always wondered why The colour of the "ballast" printed on tinplate track bases by Hornby Dublo was sand coloured.