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  1. Manurial requirements of the Cecil silt loam of Lancaster County, S.C.
    By: Gardner, Frank D. - Bonsteel, F.E.,
    Publication info: Washington,Govt. print. off.,1905
    Contributed by: University of California Libraries (archive.org)
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  2. Manurial requirements of the Portsmouth sandy loam of the Darlington area, South Carolina.
    By: Gardner, Frank D. - Bonsteel, F.E.,
    Publication info: Washington,Govt. print. off.,1905
    Contributed by: University of California Libraries (archive.org)
    View Book