Concrete obelisk about 3' tall with no marking found in the woods near the north country trail in Yankee Springs recreation area, MI : r/whatisthisthing
Curious Nashville: How a question about one little cement marker leads us to the tale of one gigantic monument | WPLN News
Survey Marker on a cement pillar | Land surveying, Markers, Calligraphy art
Is this an old property line marker? : r/nashville
Concrete marker discovered in ground. WTH? 6”x6” square. Sticks about 10” out of the ground. Very old : r/whatisthisthing
Antique Stone Makers Property Boundary Markers Cemetery - Etsy Israel
The Case for Making European Boundary Stones Into a World Heritage Site - Atlas Obscura
Right of Way marker? - Benchmarking - Geocaching Forums
Survey Markers for Concrete
Property Surveying | Green Bay, WI | TNT Professional Land Surveyors
Boundary marker - Wikipedia
Land Survey Monuments: Preservation of Property Lines – Department of Consumer Affairs
The Surveyor's Stone: Unearthing Hidden Markers of the American Landscape - Edge Effects