Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (115 total)

1949 farm conservation plan
John Teeter demonstrating an engineer's level, 1957
Agricultural engineering student using an engineer's transit, 1957
Engineering student adjusting a surveyor's transit, 1957
Student studying the stilling basin of a chute model, 1957
Individuals observing a tractor building terraces, 1949
Students learning to build terraces, 1949
Students building terraces, 1949
John Teeter demonstrating an engineer's level, 1957
Agricultural engineering student using an engineer's transit, 1957
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