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Creator
- Wyatt & Nolting49
- Montgomery, Pauline9
- Royer, J. W. (Urbana, Illinois) & Radcliff, E. S. (Superior, Wisconsin)5
- Geological Survey (U.S.)3
- Goodlove, C. W.2
- Hawkins, Geo. T. (George T.)2
- Renshawe, John H.2
- Carrere & Hastings1
- Ellis, J. R. (Topographer)1
- Fischer, Anton Otto1
- Harrison, R. L. (Topographer)1
- Herron, W. H. (William Harrison), 1865-1
- Hoppin & Koen1
- Indiana. State Highway Commission (1919-1953)1
- Johnson, Frank Tenny1
- L.H. Wright, D. C. Jenkins, Haines Egbert, Lewis Taylor, Wm. S. Moore1
- Merz, Philip1
- Miller, W. L. (Topographer)1
- Moon, Carl1
- Ohio. Division of Geological Survey1