Photos (3) no caption, no date

Photo (1) no caption, no date, A-24, black and white photo 3 ¼”x 5 ½” mounted on black paper album page (Another view of concrete pouring machine over wooden formwork with a line of five men leaning against a wooden fence looking at a man standing in a ditch in front of the machine) Photo (2) no caption, no date, A-25, black and white photo 3 ¼”x 5 ½” mounted on black paper album page (Long distance view of the concrete pouring machine, five men in foreground with sledge hammers breaking up boulders, in extreme distance a factory building) Photo (3) no caption, no date, A-26, black and white photo 3 ¼”x 5 ¼” mounted on black paper album page (Seven men standing near a concrete pouring machine over an arched below ground structure, in foreground wooden framework)