Osmium Isotopes and Silver as Tracers of Anthropogenic Metals in Sediments from Massachusetts and Cape Cod Bays Osmium Isotopes and Silver as Tracers of Anthropogenic Metals in Sediments from Massachusetts and Cape Cod Bays Ravizza, G.E. and M.H. Bothner Geochimica et Cosmochimica Acta, Vol. 60, No. 15, pp. 2753-2763, 1996 WHOI-R-96-009 Posted in 1996, Coastal Processes, Sediment Processes