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

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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/pg168lead-map.html
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