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 5002-5103
BW167/6/7/2/71
"Brent Reservoir emergency spillways and tailbay"
Plans sections and elevation showing location, geberal arrangement and construction details
September 1973-August 1975
BW167/6/7/2/71
These records are available immediately for research
7 sheets