Browse Items · Iowa Heritage Digital Collections

Drop spillway installation demonstration at the Zearing Field Day events.

Tags: Agriculture, Drop Spillway, Farmland, Soil and Water Conservation, Warren County, Watershed, Zearing Iowa

Men inspect a drop inlet that was showcased at the Zearing Field Day events.

Tags: Agriculture, Drop Inlet, Farmland, Soil and Water Conservation, Warren County, Watershed, Zearing Iowa

Demonstrations with an elevating terracer at the Zearing Field Day events.

Tags: Agriculture, Elevating Terracer, Farmland, Soil and Water Conservation, Warren County, Zearing Iowa

Demonstrations with a plow terracer at the Zearing Field Day events.

Tags: Agriculture, Farmland, Plow Terracer, Soil and Water Conservation, Warren County, Zearing Iowa

Demonstrations with a terracer at the Zearing Field Day events.

Tags: Agriculture, Farmland, Soil and Water Conservation, Terracer, Warren County, Zearing Iowa