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 marker - Wikipedia
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Surveyor's Creed and Canons
Trading Post | Bethlehem Mfg
Concrete Property Markers - Conigliaro Block
Concrete Monument 24" (3/4" hole for cap) - Survey Supply, Inc.
Living in Dryden: Mysterious markers
Brass Markers for Concrete
What does the "R/W" on this marker in the ground signify? I see ones just like it spread out and in close proximity to the telephone company's buried fiber ring all over