1. Read W.F. (1991).Two relatively young impact craters near Waupun, Wisconsin // Meteoritics, Vol. 26, p. 387.
  2. Monika Kumlehn de Mamani & Ingrid Grambow IMPAKTNAMEN: Namen der [Meteorite; Impakte/Krater; Boliden/Fireballs; Tektite] im Sonnensystem.(2010)


Рельеф Google.



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