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<p>[QUOTE="otlichnik, post: 4006482, member: 109731"]For the least environmentally friendly coins I would look at anything made from Spanish silver mined from mid-1st through 2nd century AD. Pliny described the ruina montium method of mining which used the channeling and release of huge quantities of water to literally erode away thousands of acres of nature to reveal the minerals beneath. Probably nothing done on this scale until 19th-20th century strip mining... The Las Médulas UNESCO site in Spain bears witness to this process.[/QUOTE]</p><p><br /></p>
[QUOTE="otlichnik, post: 4006482, member: 109731"]For the least environmentally friendly coins I would look at anything made from Spanish silver mined from mid-1st through 2nd century AD. Pliny described the ruina montium method of mining which used the channeling and release of huge quantities of water to literally erode away thousands of acres of nature to reveal the minerals beneath. Probably nothing done on this scale until 19th-20th century strip mining... The Las Médulas UNESCO site in Spain bears witness to this process.[/QUOTE]
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