Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (79 total)

Dozer Sculpts a Watershed Area.
Newly Formed Drainage Channel on the VanderLinden Farm.
Good sod waterway for runoff, 1967
Alvin Petersen waterway under construction, 1967
Flood detention dam and waterway, 1966
Waterway development project on Ralph Gilmore farm, 1966
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