C.W. Hancock, Cass County. Views of the gully before and during construction. The excavation is for the pipe spillway, which had a total fall in it of 9 feet.
C.W. Hancock, Cass County. Views show centerline of pipe spillway before and during construction. About 8 feet of excavation was necessary at the upper end by the riser.
Right view shows observer looking down the centerline of the proposed earthfill. Note remnants of the bridge and pilings. Left view shows the concrete work complete except for the riser, the base of which has been poured (see reinforcing steel…