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Abstracts of recent published material on soil and water conservation.

Abstracts of recent published material on soil and water conservation.
Paper図書
U.S. Dept. of Agriculture, Soil Conservation Service[1949-<016.631-Us68a>
National Diet Library
  • Subject HeadingSoil conservation -- Abstracts -- Periodicals. Soil conservation -- Bibliogr...

Abstracts of recent published material on soil and water conservation.

Abstracts of recent published material on soil and water conservation.
Paper図書
U.S. Dept. of Agriculture, Soil Conservation Service[1949-<RB64-246>
National Diet Library
  • Subject HeadingSoil conservation -- Abstracts -- Periodicals. Soil conservation -- Bibliogr...

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