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.
Aerial photo submitted to the U.S. Soil Conservation Services of terraces constructed in the fall of 1958 on Ernest Burke & Sons farmland, Atlantic, IA.
