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Environmental monitoring program : 1974 cooperative Douglas-fir tussock moth control project, Oregon, Washington, Idaho : summary report.

Environmental monitoring program : 1974 cooperative Douglas-fir tussock moth control project, Oregon, Washington, Idaho : summary report.
Paper図書
Pacific Northwest Region, USDA, Forest Service1981.<RB361-14>
National Diet Library
  • Subject Heading...west, Pacific. Aerial spraying and dusting in forestry -- Environmental aspects -- Northwest, Pacific. Environmental monitoring -- N...

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