Iowa Heritage Digital Collections
State Library of Iowa

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

Student with measuring rod, 1942
Two men measuring a plowed furrow, 1942
J. Bruce Liljedahl and students, 1947
Checking a tractor carburetor, 1947
J. Bruce Liljedahl and students, 1947
Students building terraces, 1949
Tractor mounted pest and weed sprayer lecture, 1949
Dilver Alchrist Paugtian, 1949
Nail testing observations, 1949
Recording results of nail testing, 1949
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