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Fig. 1. Hydrogen and O isotope compositions of soil waters collected from the Hanford vadose zone. The value of average precipitation used for model input waters is shown as a gray box. Pore water stable isotope data from DePaolo et al. (2004) and unpublished data from ongoing studies are shown as blue diamonds. Also shown are the global meteoric water line of Craig (1961) and the Hanford local meteoric water line, based on data from Graham (1983) and Early et al. (1986).
