black rivar escarpment (visconsin)

kizhakkan visconsinile oru bhoomishaasthra savisheshathayaanu black rivar escarpment.
nayagra escarpmentinum magnesian escarpmentinum samaantharamaayum idayilum escarpment oodunnu.
thaazhnna magnesian chunnaambukallu paarayil ninnulla aditharaykkum munbathe karutha nadeethada chunnaambukallinum edayilulla athirthi adayaalappeduthunnu.
pacha ulkkadalil ninnu mishigan thadaakathil ninnaan eee escarpment uyarnnuvarunnathu.
escarpmentinte athirthikal ellaayppozhum pariseelanam labhikkatha kannin drishyamaakilla, pakshe chila pradeshangalil paarakkettukalaal adayaalappeduthunnu.

