Browse Items · Iowa Heritage Digital Collections

Inspecting tree seedlings.

Inspecting tree seedlings in Delaware County, Iowa.

Tags: Agriculture, Delaware County Iowa, Farmland, Soil and Water Conservation, Trees, Windbreak

Information on the Eastern Iowa Conservation Tillage Show.

Information on the Eastern Iowa Conservation Tillage Show; including press release, news article, program brochure, and radio announcements.

Tags: Delaware County Iowa, Eastern Iowa Conservation Tillage Show, Soil and Water Conservation

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…

Tags: Delaware County Iowa, Drop Spillway, Hoffman & Brogghammer Group, Soil and Water Conservation, Waterways

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…

Tags: Agriculture, Delaware County Iowa, Drop Spillway, Farmland, Hoffman & Brogghammer Group, J. Widman, J.C. Costigon, Manchester Iowa, Soil and Water Conservation, Soil Conservation Service, Waterways