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Adrian I. Efimov, Ph.D. Geol.&Miner.
the founder of hydrogeological line of permafrost research, one of the discoverers of the Yakut artesian basin
Years at MPI: 1940-1957
-- Use of Groundwater in the Central Yakutia Permafrost Region (1953)
-- Permafrost in the Iron Ore and Coal Deposits, Southern Yakutia (1960)
-- Field Geocryological (Permafrost) Investigations (1961)
-- Hydrogeology of the USSR, vol. XX, Yakutian ASSR (1970)