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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Bushnell, T. M. (Thomas Mark), - Barrett, Wendell. - United States. Bureau of Soils. - Indiana. Dept. of Geology and Natural Resources.
    Publication info: Washington, Govt. Print. Office, 1918
    Holding Institution: University of California Libraries
    Subjects: Indiana  Porter County  Soil surveys  Soils