Showing 1 - 4 results of 4 for search '"United States"', query time: 0.13s Refine Results
  1. 1
    Land treatment in watersheds /
    by Dykes, Jeff, 1900-
    Published 1965
    Subjects: “...Soil conservation United States....”
    Conference Proceeding Manuscript
  2. 2
    Resource conservation and development projects /
    by Dykes, Jeff, 1900-
    Published 1964
    Subjects: “...Soil conservation projects United States....”
    Manuscript
  3. 3
    Challenges and opportunities in the year ahead /
    by Dykes, Jeff, 1900-
    Published 1957
    Subjects: “...Soil conservation Government policy United States....”
    Manuscript
  4. 4
    Appraisal, fore and aft /
    by Dykes, Jeff, 1900-
    Published 1956
    Subjects: “...Soil conservation Government policy United States....”
    Manuscript
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