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

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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U.S. Department of the Interior | U.S. Geological Survey URL: http://pubsdata.usgs.gov/pubs/of/2004/1350/figures_pages/fig2_11.htm Page Contact Information: Eastern Publications Group Page Last Modified: 00:05:07 Sun 13 Jan 2013