Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (12 total)

Drop spillway notch on the Weir farm.
Hoffman & Broghammer Group's concrete drop spillway structure in Delaware County, Iowa; 3 miles north of Manchester, Iowa.
Hoffman & Broghammer Group's concrete drop spillway structure in Delaware County, Iowa; 3 miles north of Manchester, Iowa.
Bob Sack aluminum drop spillway structure.
Drop spillway, adjustable forms on the Brown farm.
Drop Inlet on Edwin Ohenemus' Farm.
Adjustable Forms for the Drop Spillway on Hugh Brown's Farm.
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