File pertains to 90 b&w prints of various industrial operations, including the 1958 construction of the Trans Canada Highway, the construction of various overpasses (for cars and for trains), the construction of bridges, mining and refinement, and helicopters.
File pertains to 90 b&w prints of various industrial operations, including the 1958 construction of the Trans Canada Highway, the construction of various overpasses (for cars and for trains), the construction of bridges, mining and refinement, and helicopters.
File pertains to 90 b&w prints of various industrial operations, including the 1958 construction of the Trans Canada Highway, the construction of various overpasses (for cars and for trains), the construction of bridges, mining and refinement, and helicopters.
File pertains to 90 b&w prints of various industrial operations, including the 1958 construction of the Trans Canada Highway, the construction of various overpasses (for cars and for trains), the construction of bridges, mining and refinement, and helicopters.