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Fig. 5. Plot of stable isotope data ({delta}18O{per thousand} versus {delta}2H{per thousand}) from 33 water samples collected in Watersheds 1 and 2. A local meteoric water line (LMWL) fit to the data (solid line) has an r2 of 0.72. The global meteoric water line (GMWL; dotted line) is also plotted as a reference.