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U.S. Geological Survey Open-File Report 2004-1350

USGS OFR 04-1350 Figure 2.11

Figure 2.11. Dynamic models; a) the ideal case where the 137Cs and 210Pb deposited from within the basin. b) the case where a significant amount of sediment is derived from the surface of the watershed. c) the case where most of the sediment is exhumed from region that was not at the surface during 1955-1970 period when 137Cs was being deposited.

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