Boundary Stones: The quest to save DC's 1st federal monuments - WTOP News
30" Surveyors Concrete Monument
Our Philippine House Project – Boundary Survey – My Philippine Life
Property Surveying | Green Bay, WI | TNT Professional Land Surveyors
Living in Dryden: Mysterious markers
Field Marker Stone Historical Marker
La Jolla surveyor says property markers are being inadvertently destroyed by city - La Jolla Light
Survey Marker on a cement pillar | Land surveying, Markers, Calligraphy art
Property Line Markers in NYC Sidewalks Offer Crossing Only By Permission - Untapped New York
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
Survey Markers for Concrete
Granite Boundary Markers – Stone of New England
Concrete Monument 4" x 4" x 24"
Right of Way marker? - Benchmarking - Geocaching Forums
Boundary marker - Wikipedia
Field Supplies: Flagging Gear, Road Marking Equipment & More
More on the mysterious concrete markers in Virginia - The Washington Post
The Surveyor's Stone: Unearthing Hidden Markers of the American Landscape - Edge Effects
