Browse Items (17 total)
Sort by:
Sectional Map of the State of Iowa
Sectional map of the state of Iowa, compiled from the United States surveys also exhibiting the internal improvements, distances between towns & villages, lines of projected rail roads &c. &c.; drawn and published by Guy H. Carleton, Dep. Sur. U.S.
Grassed waterway on the Bumann farm.
Photo of the grassed waterway on the Bumann farm in Cherokee County, Iowa.
Drop inlet (riser) on the Bumann farm.
Photo of a road drop inlet (riser) on the Bumann farm in Cherokee County, Iowa.
Erosion damage, and waterway needs in a field.
Photo of erosion damage, and waterway needs in a field in Cherokee County, Iowa.
Hoffman & Broghammer Group's concrete drop spillway structure in Delaware County, Iowa; 3 miles north of Manchester, Iowa.
Hoffman/Broghammer concrete drop spillway structure in Delaware County, Iowa. Built in 1959, the reinforced drop spillway structure of "Island Type" serves as the tile outlet for 8" and 12" tiles and as a waterway stabilizer. The waterway was…
Hoffman & Broghammer Group's concrete drop spillway structure in Delaware County, Iowa; 3 miles north of Manchester, Iowa.
Hoffman/Broghammer concrete drop spillway structure in Delaware County, Iowa. Built in 1959, the reinforced drop spillway structure of "Island Type" serves as the tile outlet for 8" and 12" tiles and as a waterway stabilizer. The waterway was started…
Don Recker spill drop way concrete structure in Delaware County, Iowa.
Don Recker spill drop way concrete structure in Delaware County, Iowa.
Willard Robinson drop spillway structure.
Willard Robinson drop spillway structure in Delaware County, Iowa.
Construction of a waterway turn-strip.
Bill Young, son-in-law of Ernest Harms approaching a bromegrass waterway with a tractor. The waterway is used as a turnstrip in cultivating corn, in Underwood, Iowa.
Contoured waterway on the Gaumer farm.
Contoured waterway on Keith Gaumer's farm in Warren County, Iowa.