Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (11 total)

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