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The Tar Creek Superfund Site

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The Tar Creek Superfund site is located in Ottawa Country, in northeastern Oklahoma. This superfund site covers five municipalities in its boundary, the site covers approximately 40 square miles. Two towns are situated in the middle of the superfund site, Picher and Cardin, both in hazardous areas. There is a population of 19,556 people who live in and around the superfund site (Vincent). The Tar Creek Superfund site was once a large mining operation. The mine started in the early 1900s and was still in use until as late as the 1970s. The area was mostly minded for zinc ore and lead (Wilson). Many of the mines at this site had their own mills for the mineral separation process. Milling the lead and zinc ore created a large amount of waste. This wasted was in the form of gravel, dust, and debris. The milling process also created another type of waste know as mine tailings. Mine tailings also known as “chat”, are huge piles of pulverized rock that are left over after the target metals have been extracted from the mineral rocks that they are located in (Wilson). This separation was largely inefficient, especially in older mining operations. The result after this process left some of the metal-containing mineral left behind creating large above ground piles or being filled in pits are tailings ponds. A few of these above ground piles reached a height of 200 feet, containing high levels of lead and other dangerous substances. When mining came to an end, these huge piles of

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