Site:     Mongonmorit, Baganuur, Underhaan, Choibalsan Period:     June, 2003 - Sep., 2004 Interval:   Weekly Components:         - Stable isotope (δD, δ18O)         - Anion (Cl-, SO42-, NO3-, Br-)         - Cation (Na+, K+, Mg2+, Ca2+)