Company of Proprietors of the Birmingham Canal Navigations
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Water supply, sewers and drainage
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Sewers and crossings of canal by sewers
BW165/28/7/36
"City of Birmingham Sewerage of Harts Green, California, Bartley Green, and Woodbrook Valleys - Section-2. Detail of extensions to existing twin syphons under Dudley Canal (near Canal Crossing No 1)"
Plan, section. Note "Copy for B'ham Canal Navgn Co". Stamped "City Engineers & Surveyors Dept ... Nov.1930"; "Draft prepared by HH, Traced by HH, prints worked up by HH".
November 1930
BW165/28/7/36
1 sheet