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Author
- Nelson, W. John5
- Shaw, E. W. (Eugene Wesley), 1881-19355
- Amos, Dewey Harold, 1925-2
- Geological Survey (U.S.)2
- Alden, William C. (William Clinton), b. 18711
- Bretz, J. Harlen, 1882-1981, cartographer1
- Campbell, Marius Robinson, 1858-19401
- Finch, Warren Irvin, 1924-1
- Fuller, Myron L.1
- Hinds, Henry, 1883-19641
- Illinois State Geological Survey1
- Kolata, Dennis R.1
- Lee, Wallace, 1883-19721
- Lineback, Jerry Alvin, compiler1
- Owen, David Dale, 1807-1860, cartographer1
- Trask, C. Brian1
- Udden, Johan August, 1859-19321
- Weller, J. Marvin (James Marvin), 1899-19761
- Whitlow, Jesse W.1
- Willman, H. B. (Harold Bowen), 1901-1
