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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Lapham, Macy H. (Macy Harvey), - Holmes, L. C. - United States. Bureau of Soils.
    Publication info: Washington, U.S. G.P.O, 1908
    Holding Institution: University of California Libraries
  2. By: Lapham, Macy H. (Macy Harvey), - Neill, N. P.
    Publication info: Washington, Govt. Print. Office, 1904
    Holding Institution: University of California Libraries