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By: Holmes, L. C. - Eckmann, E. C. - United States. Bureau of Soils.Edition:Publication info: Washington, Govt. Print. Office, 1912Volume:Series:Holding Institution: University of California LibrariesSubjects:BHL Collections:
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By: Eckmann, E. C. - Baldwin, Mark. - Carpenter, E. J. (Eugene Johnson), - United States. Bureau of Soils. - United States. Department of Agriculture.Edition:Publication info: Washington, Govt. Print. Office, 1920Volume:Series:Holding Institution: University of California LibrariesSubjects:BHL Collections: