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Browse Items (1074 total) for Des Moines County Soil and Water Conservation District Historical Collection

Don Nelson and Sam Jennison
1970s Howard Bright and another unidentified man stand in a field
1978 No-till tour demonstration sign
1993 Aerial Views of Flooding
1993 Aerial views of farmland
1977 Specifications Geode Wonderland RC&D Project cover page
1977 Earthmoving machines move dirt for Geode Wonderland Project
1977 Land being prepared for earth retaining dam and drainage system
1977 Drainage ponds
1977 Merrimac Construction Company Truck hauls dirt