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Coastal and Marine Geology Program
Coastal and Marine Geology Program > Fact Sheet 150-97

Metal Concentrations in Sediments of Boston Harbor and Massachusetts Bay Document Environmental Change

USGS Fact Sheet 150-97
Figure 1. Four locations in Boston Harbor have been sampled periodically since 1977. Station 4 is in a sandy area and closest to the Deer Island sewage outfall. The remaining stations contain mostly silt and clay and are considered areas where sediment is actively deposited. The contaminated-sediment data base includes information on metal concentrations and other sediment parameters for about 3,000 samples collected throughout the harbor area. Numerals indicate monitoring station locations.
Location map, Boston Harbor

Coastal and Marine Geology Program > Fact Sheet 150-97


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