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Publisher
- The Service (East Lansing, Mich.?)6
- Dept. of Agriculture, Soil Conservation Service (Washington.)4
- J.H. Colton & Co (New York)3
- The Service (Washington, D.C.?)3
- Geological Survey of Michigan (Lansing)2
- U.S. Geological Survey (Washington, D.C)2
- USDA-SCS (Fort Worth, Tex.)2
- (Michigan?)1
- A. Hoen & Company Ltd (Baltimore, Md)1
- Bureau of Soils (Washington, D.C)1
- D. Appleton and Company (Philadelphia)1
- Dept. of Agriculture, Bureau of Public Roads (Washington, D.C)1
- General Land Office (Washington)1
- Geographical Pub. Co (Chi[cago], Ill)1
- Geological Survey of Michigan in cooperation with the United States Geological Survey (Lansing, Mich)1
- Geological Survey of Michigan, in cooperation with the United States Geological Survey (Lansing, Mich)1
- Hammond Inc (New York)1
- Historical Society of Michigan (Ann Arbor, Mich)1
- J.H. Colton (New York)1
- Michigan Dept. of Conservation (Lansing, Mich)1