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Publisher
- USDA-SCS (Lincoln, Nebr.)1
- War Dept., Corps of Engineers, U.S. Army (U.S.)1
- Western Print. and Lithographing Co (Racine, Wis)1
- Wisconsin Department of Public Instruction1
- Wisconsin Geological and Natural History Survey (Madison, Wis.?)1
- Wisconsin Geological and Natural History Survey (Madison, Wis)1
- Wisconsin Highway Commission (Madison)1
- Wisconsin Highway Commission (Madison, Wis)1
- [S.l. : s.n.].1
- [Washington, D.C. : s.n.]1
- publisher not identified (Brussels)1