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BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Quaternary
 ....upper Quaternary
 .....Yoldia Sea
RTFinland
 Baltic Sea
 Kola Peninsula
 Sweden
 Baltic Glaciation
 Baltic region
 Norway
SNUpper Pleistocene to lower Holocene. Stage of Baltic Glaciation. Covered E Norway, Sweden, Baltic Sea, Finland, and parts of Kola Peninsula. Indexed with ages as applicable. Added to Thesaurus in 1993.