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Creator
- Ann Arbor (Mich.). Board of Commerce1
- Baldwin, Mark (Soil surveyor)2
- C.S. Hammond & Company2
- Canada. Department of the Interior1
- Droogmans, Hubert.1
- Edmondson, J. B.1
- Essex, Frank B1
- Geib, W. J.(Warren Jacob), 1880-cartographer.1
- Geological Survey (U.S.)8
- George F. Cram Company1
- Hammond Incorporated1
- Hassan, A. F.1
- Henderson, Albert3
- Hole, Allen David, 1866-19402
- Hotchkiss, William Otis, 1878-19541
- Illinois State Geological Survey1
- Jewett & Son1
- Johnson, W. H. (Draftsman)1
- Kelly, B. W. (Soil surveyor)2
- Kenyon Printing & Manufacturing Co1