Such use does not constitute an official endorsement or approval by symposium sponsors, the U.S. Department of Agriculture, or the Forest Service of any product or service to the exclusion of others that may be suitable. Research involving pesticides appears in some technical papers contained in these proceedings. Publication of these reports does not constitute endorsement or recommendations for their use by the symposium sponsors, nor does it imply that the uses discussed here have been registered. We thank all of the photographers who have so graciously submitted their slides for inclusion. All contents are in the public domain.
All contents are in the public domain.
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