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Creator
- University of Iowa87
- Conrad, J.5
- Nowack, W.K.2
- Sanborn (Firm)2
- Associated Billposters & Distributors Pro. Co.1
- Craig, Donald.1
- Geological Survey (U.S.)1
- Huebinger Surveying and Map Publishing Co.1
- Iowa City (Iowa). City Engineer's Office.1
- Iowa Engineering Co.1
- Iowa Publishing Co.1
- Iowa. State Planning Board1
- Kent, Frederick W. (Frederick Wallace), 1894-19841
- Kocur, Frank.1
- Millar, J. H.1
- Poore, Orson B.1
- Proudfoot, Bird, & Lawson, Architects1
- Raney, J. H.1
- Von Berg, John1
- W.W. Hixson & Co.1