catch22@programming.dev to What is this thing?@lemmy.worldEnglish · edit-24 months ago[Solved] Anyone know what this is? They are embedded in the sidewalks around the cityprogramming.devimagemessage-square39fedilinkarrow-up1168arrow-down14file-text
arrow-up1164arrow-down1image[Solved] Anyone know what this is? They are embedded in the sidewalks around the cityprogramming.devcatch22@programming.dev to What is this thing?@lemmy.worldEnglish · edit-24 months agomessage-square39fedilinkfile-text
minus-squareespentan@lemmy.worldlinkfedilinkEnglisharrow-up38·4 months agoSurvey marker, used by surveyors to calibrate equipment. So I’ve been told, anyway.
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Survey marker, used by surveyors to calibrate equipment. So I’ve been told, anyway.