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Creator
- Allen & Collens13
- Pelton, Henry C.13
- White & Weber6
- Hogner, R. P. L.5
- Delano & Aldrich, NYC4
- Finn, A. C. (Houston, Texas)4
- Gilbert, Cass4
- New York City4
- Graham, Anderson, Probst & White3
- Montgomery, Pauline3
- Reiley, Robert J.3
- Darling, Jerome H.2
- Gehres, W. S. (Wilmer Sherman), 1887-19632
- Geological Survey (U.S.)2
- Hermann J. Gaul & Sons2
- Holabird & Root2
- Howell & Thomas2
- Jamieson & Spearl2
- Mauran, Russell & Crowell2
- Michigan. Geological Survey Division2