British Transport Commission: Docks and Inland Waterways Executive
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South Eastern Division
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Divisional Engineering Office, Watford
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DIWE SED engineering drawings
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DIWE SED engineering drawings nos 4000-4235
BW175/4/7/5/2/1
"Grand Union Canal. Drydock, Parnell Road, Hertford Union"
Plan and sections showing dock alongside top lock
1 January 1947
BW175/4/7/5/2/1
These records are available immediately for research
1 sheet