"Construction progresses on the 350-ton concrete steamship being built in Montreal, Canada. The vessel, launched in November 1917, is made of 53,319 barrels of Portland cement from the Assn., Chicago. This photograph, taken on September 21, 1917, showcases the ongoing construction process."

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Size: 8495px × 5726px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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