So What Do Fence Posts With White Markings Mean In Maine?

While riding on the Downeast Sunrise Trail recently we came across fence posts with white markings and wondered what it meant?

Related Keywords

Maine ,United States ,Bar Harbor Shore Path ,Brewer Riverwalk , ,Downeast Sunrise Trail ,New England ,Business ,Dig Safe ,Contractors ,Yearthwork ,Excavation ,Markings ,Articles ,