British Waterways Board
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British Waterways Board: Northern Region
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British Waterways Board: Northern Region: Area Engineer, Castleford
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Water levels at locks on the Aire and Calder Navigation
BW167/25/6/1/12
Record of water levels on outer sill at Selby Lock
Records whether gate open or shut, and level of water, low and high, over sills in feet and inches.
1 January 1963-31 January 1969
BW167/25/6/1/12
These records are available immediately for research
1 volume