British Transport Commission: British Waterways
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Records relating to all divisions
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BTC/BW engineering drawings
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BTC/BW engineering drawings 202-767
BW177/2/6/1/104
"Proposed steel sheet piling, main line [Grand Union Canal] Brentford, Berkhampstead"
Plan and typical section showing works near Bulls Bridge junction and bridges 201 and 202
1957
BW177/2/6/1/104
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1 sheet