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Figure 95b: Zinc concentrations in sediments from Lake Pontchartrain and Maurepas. ERL and ERM refer to toxicity criteria, see Long et al., 1995 for description.

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Coastal & Marine Geology Program > Center for Coastal & Regional Marine Studies > Environmental Atlas of Lake Pontchartrain
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U.S. Department of the Interior, U.S. Geological Survey
URL: http://pubs.usgs.gov/of/2002/of02-206/env-issues/pg168zinc-map.html
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