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
BW167/6/7/1/130
"Crinan Canal Lock 9&12. Sealing lock walls"
Plans sections and details with data table
February 1968
BW167/6/7/1/130
These records are available immediately for research
1 sheet