- Creator:
- Alden, William C. (William Clinton), 1871-1959
- Contributor:
- Chamberlin, Thomas C. (Thomas Chrowder), 1843-1928; Geological Survey (U.S.)
- Created:
- 1918
- Contributed By:
- University of Minnesota Libraries, John R. Borchert Map Library.
- Last Updated:
- 2022-04-18