I was under the impression that they can be eligible in the right circumstances.
Survey markers can be eligible if they meet the acceptance criteria for encouraging exploration. Good examples can include survey markers located at the peaks of hills and mountains, at the ends of peninsulas, or on other noteworthy local landforms, so long as they can be accessed by pedestrians through the use of trails or similar paths. Some survey markers might also have an interesting and unique history which may make them eligible; in these cases, submitters should ensure that they provide …
Permanent survey markers (PSMs)
They can include:
*are substantial marks used by surveyors to identify property boundaries
*Concrete blocks buried with a brass plaque
*Mini marks in the kerb
*These marks are important for various surveying projects
I am passionate about Survey Markers or Geodetic Markers I believe they have a place in the real world space. I collect them and often explore to find them. I have them as my icons on all things digital.
Here is my favourite:
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Maybe the example from @thezonetop50 does not meet eligibility. But I just want to make sure we aren’t saying that all survey markers aren’t acceptable.