Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (116 total)

Student studying the stilling basin of a chute model, 1957
Engineering student adjusting a surveyor's transit, 1957
Agricultural engineering student using an engineer's transit, 1957
John Teeter demonstrating an engineer's level, 1957
1949 farm conservation plan
1972 Lee County soil survey photograph from Iowa Soil Conservationist.
Retired commissioner, John Sander, reflects on soil conservation.
Iowa Soil 2000 Conservation
REAP for windbreaks.
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