Legitimate Flagging (survey tape) – On a recent trail inspection with a Forest Service assistant district ranger, one topic of discussion was flagging tape on trees along the trail system of the White Mountains. I want to point out that some of the survey flagging tape you see along trails in the White Mountains marks trees that are being used for research. Much of this flagging has no identifying marks on it, and there is no way to determine its purpose. Once the research is finished, proper parties hike up the trail and remove the flagging.

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