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{short description of image}Image Number K6057-11 Could this be job for soil-cleaning superplants? The lack of vegetation in the barren area above is a result of the soil's high zinc content and low pH. This site in Palmerton, Pennyslvania, was contaminated by a zinc smeltry operated from 1890 to 1980. Photo by Keith Weller.    640 pixels wide: (k6057-11.jpg)   Please visit our Image Gallery


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