Home › Authors › Institute of Geology and Mineral Resources, Mongolia, IGMR, Ulanbaatar 👤 Institute of Geology and Mineral Resources, Mongolia, IGMR, Ulanbaatar 1 book Books by Institute of Geology and Mineral Resources, Mongolia, IGMR, Ulanbaatar Explanatory Notes for the Hydr Explanatory Notes for the Hydrogeological Map of Mongolia 1 2004