Title taken from front. View of pile driver during construction of trestles for railroad bridge over Tanana River at Nenana, Alaska, with horse at right and men on trestles. An Alaska Engineering Commission photo. Photographer's number 11. July 30,...
Title taken from front. View of railroad bridge trestle approach to Tanana River during construction at Nenana, Alaska, with pile driver in far left background. An Alaska Engineering Commission photo. Photographer's number 10. July 30, 1922....
Title taken from front. View looking north from trestle during bridge construction over Tanana River at Nenana, Alaska, with pile driver in background and men walking along railroad tracks at left. An Alaska Engineering Commission photo....
Title taken from front. View of construction workers and crane lifting framing supports for trestles during construction on railroad bridge approach to Tanana River at Nenana, Alaska. An Alaska Engineering Commission photo. Photographer's number 9....