FoolInTheDesert t1_j7dkxly wrote
Reply to comment by LuckyPoire in Lead Plates and Land Claims in North America and Europe: When did the practice begin of burying lead plates to establish ownership of land, and why did it die out, and was it ever used successfully in a court of law to establish ownership? by whyenn
Survey markers (the caps) are made of brass or aluminum these days, for the most part. Most are aluminum but the higher end ones, like USGS markers, are made of brass.
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