Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (121 total)

Beaver Watershed Project Binder
Drop Inlet Drainage Site.
Watershed with a Drainage Spillway in a Pond.
Roy Sanford Farm.
New Diversion on the Schencke Farm.
Forming a Pond on James Middleswart's Farm.
Contoured watershed on the Shivvers farm.
Construction of a waterway turn-strip.
1934 - 1938 Multi-State Photograph Collection
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