British Waterways Board
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Chief Engineer's Department, Watford
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BWB engineering drawings
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BWB engineering drawings nos 769-1004
BW167/6/7/1/117
"Proposed road at Silkstream Hendon..."
Plans and sections showing drainage
July 1967-August 1968
BW167/6/7/1/117
These records are available immediately for research
3 sheets