William Smaill Photo Album – Page 66
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William Smaill Photo Album – Page 71
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William Smaill Photo Album – Page 96
William Smaill Photo Album – Page 111
William Smaill Photo Album – Page 112
William Smaill Photo Album – Page 115
William Smaill Photo Album – loose page
Permeability test apparatus
Trenching machine near Exhibition Grounds
William Smaill Photo Album – Page 20
Trench machine at City well number 8
Excavating for City pipe line
Excavating frozen earth for City pipe line
Excavation at Emily and Bannatyne
Trench machine and horse team
Excavation on Bannatyne near General Hospital
William Smaill Photo Album – Page 19