Heavy rock work on Elliott's section, Kluane Lake. Original caption: 43-3967. Heavy rock work on Elliott's section, Kluane Lake. Manifold connections at the ends of the air lines from the two compressors, for 16 jackhammers. Section B1. Mile post 1334. August 14, 1943. Photograph by Pinkstaff. Original caption: 43-3968. Heavy rock excavation on Elliott's section, Kluane Lake. Result of blast shown in negative # 18 Wh 954. Excavation carried out in 20 foot lifts. Section B1. Mile post 1334. August 14, 1943. Photograph by Pinkstaff. State: Alaska.

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Photo credit: © NB/PR / Alamy / Afripics
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