Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (30 total)

John Teeter demonstrating an engineer's level, 1957
Agricultural engineering student using an engineer's transit, 1957
John Teeter demonstrating an engineer's level, 1957
Man and drain
Water table depth test
Dam
Cementing
Clyde Small and sons, 1966
  1945 Proclamation
Clinton's Wetlands Plan
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