Troughs that might be MDFCTA structures

A large number of troughs have the same size and shape as an MDFCTA trough but don't match any structure in the MDFCTA records. Please email me if you know the history and provenance of any of these troughs?

Hoo Saint Werburg

Bury St. Edmunds

Cheltenham (moved to Pittville Gates)

Henley-in-Arden

Moreton-in-Marsh

Layer Marney Tower