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
BW167/6/7/1/109
Limiting features on Aire & Calder and Sheffield & South Yorkshire Navigations
Plans showing locations of stop gates, bridges, aqueducts and locks. plan showing industrial and dock areas
1967
BW167/6/7/1/109
These records are available immediately for research
3 sheets