If you encounter purple on fence posts you better keep moving.
If You See Purple in the Woods in New York, Walk Away
What can you do with Purple Paint? Purdue Extension Forestry & Natural Resources
Paradise - Mount Rainier National Park (U.S. National Park Service)
If You See Purple in the Woods in New York, Walk Away
If You See Purple Paint in the Montana Wilderness, You Need to Leave
Do You Know What Purple Paint on a Fence Means in Texas?
If You See Purple in the Woods in New York, Walk Away
Do You Know What Purple Paint On A Fence Post Means in Maine?
If You See Purple Paint In The Woods, You Need To Leave