Photos (4) no caption, no date

Photo A-1 no caption, no date, black and white photo 3 ¼”x 5 ½” mounted on black paper album page (Interior view of a tunnel) Photo A-2 no caption, no date, black and white photo 3 ¼”x 5 ½” mounted on black paper album page (Interior view of a tunnel with two men, one reflected in water) Photo A-3 no caption, no date, black and white photo 3 ¼”x 5 ½” mounted on black paper album page (Under exposed exterior view of pile of rocks and leafy trees in distance) Photo A-4 no caption, no date, black and white photo 3 ¼”x 5 ½” mounted horizontal on black paper album page (Interview view of two men wearing boots standing in water in a tunnel)