Summary of Natural Resource Damage Assessment Restoration Projects at the Cleveland Mill.
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Located in the headwaters of a small tributary of Little Walnut Creek, 5.5 miles north of Sliver City, in Grant County, New Mexico is the Cleveland Mill Superfund Site. This Site is an abandoned lead, zinc and copper mine and mill that operated in the early 1900's. It covers about 4 acres in mountainous terrain, and another 14 acres extending down a drainage area and into the streambed of Little Walnut Creek. Tailings from the mill had washed into Little Walnut Creek causing acidification and metal contamination of water, soils, sediments, and biota.
U.S. Fish and Wildlife Service
http://www.fws.gov/southwest/es/Documents/R2ES/Cleveland_Mill_NRDA_Restoration-Final.pdf, 15 KB
U.S. Fish and Wildlife Service, Southwest Region