Evaluation of western hemlock looper larval populations within the 1962 control project boundaries at Clatsop County, Oregon in August 1963

by United States. Forest Service. Pacific Northwest Region. Division of Timber Management in Portland, Or

Written in English
Cover of: Evaluation of western hemlock looper larval populations within the 1962 control project boundaries at Clatsop County, Oregon in August 1963 | United States. Forest Service. Pacific Northwest Region. Division of Timber Management
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Subjects:

  • Forestry,
  • Arthropod pests,
  • Plant pests,
  • Plant health

Edition Notes

Issued Mar. 1964 by Insect and Disease Control Branch.

Evaluation of western hemlock looper larval populations within the 1962 control project boundaries at Clatsop County, Oregon in August 1963 by United States. Forest Service. Pacific Northwest Region. Division of Timber Management Download PDF EPUB FB2