Workman constructs steel girders of the Welland Chemical plant
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Construction scene of temporary government building No. 4
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Construction worker adjusts valve on pipe at the Welland Chemical Plant during its construction
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View of workmen constructing prefabricated house for war workers Mr. and Mrs. Harry Kalek behind a sign, "Loxtave Homes" with a clock showing 2:50 p.m. on it
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Workmen install roof section and lay grass sod on the lawn of a prefabricated house for war workers Mr. and Mrs. Harry Kalek
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Prefabricated house
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