Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (1817 total) for Iowa State University Library Photograph Collection

Tractor mounted pest and weed sprayer lecture, 1949
Students building terraces, 1949
J. Bruce Liljedahl and students, 1947
Checking a tractor carburetor, 1947
J. Bruce Liljedahl and students, 1947
Two men measuring a plowed furrow, 1942
Student with measuring rod, 1942
Plained furrows, 1942
Examining a horse hitch model, 1940
Steel roof experiment, 1938
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