Tags: Black Hawk County, Planning and Zoning
Tags: Birdsfoot Trefoil, Henry County Soil and Water Conservation District, Roy White
Tags: Roy W. Willard, World War II
Tags: Concrete Dam, Erosion Control, Jackson County Soil and Water Conservation District, Roy Thiede
Tags: Erosion Control, Erosion Control Dam, Inlet, Jackson County Soil and Water Conservation District, Roy Thiede, Waterway