United States. Bureau of Chemistry and Soils, Michigan State College. Agricultural Experiment Station, Michigan. Department of Conservation, & Foster, Z. C. (1934). Soil map, Cheboygan County, Michigan. Field Operations, Bureau of Chemistry and Soils.
Chicago Style (17th ed.) CitationUnited States. Bureau of Chemistry and Soils, Michigan State College. Agricultural Experiment Station, Michigan. Department of Conservation, and Z. C. Foster. Soil Map, Cheboygan County, Michigan. [Washington, D.C.]: Field Operations, Bureau of Chemistry and Soils, 1934.
MLA (9th ed.) CitationUnited States. Bureau of Chemistry and Soils, et al. Soil Map, Cheboygan County, Michigan. Field Operations, Bureau of Chemistry and Soils, 1934.
Warning: These citations may not always be 100% accurate.