Iowa Heritage Digital Collections
State Library of Iowa

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

Pouring milkweed seeds into the solvent oil extractor, Oil extraction plant
Portrait, William K. Black, 1989
Portrait, Warren B. Kuhn, 1989
Portrait, Warren B. Kuhn, 1985
Portrait, Warren B. Kuhn, 1973
Portrait, Warren B. Kuhn, 1967
Portrait, Walter G. Lovely
Portrait, Thomas A. Fretz, 1989
Portrait, Robert W. Orr, 1954
Portrait, Robert W. Orr, 1946
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