In this Nov. 15, 2013 photo, a "No Trespassing" sign is seen on a fence near Doe Run Co.'s lead smelter in Herculaneum, Mo. The nation's only primary lead smelter and the unquestioned center of the ... more 
In this Nov. 15, 2013 photo, a "No Trespassing" sign is seen on a fence near Doe Run Co.'s lead smelter in Herculaneum, Mo. The nation's only primary lead smelter and the unquestioned center of the tiny town 25 miles south of St. Louis, is shutting down for good, its operator citing rising regulatory costs. Despite the environmental and health concerns that include high levels of lead in the blood of some children and yards so toxic the soil had to be removed, many in the small town are saddened by the end of an era. (AP Photo/Jeff Roberson) less 
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Associated Press | Photo By Jeff Roberson
Wed, Dec 25, 2013 11:52 AM EST