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  1. 1
    Minnesota committeeman's practice handbook [agricultural conservation program].
    Published 1945
    Subjects: “...Soil conservation. http://id.loc.gov/authorities/subjects/sh85124329...”
    Electronic resource (PDF)
    Government Document eBook
  2. 2
    1945 credit rates for liming materials, Supplement 1 to Minnesota committeeman's practice handbook.
    Published 1945
    Subjects: “...Soil conservation. http://id.loc.gov/authorities/subjects/sh85124329...”
    Electronic resource (PDF)
    Government Document eBook
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