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
BW177/2/6/1/313
"Mining subsidence Polesworth. Steel sheet piling"
Site plan, section and details of walings.
1960s
BW177/2/6/1/313
These records are available immediately for research
2 sheets