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Mount Jumbo
Mount Jumbo (Salish: 'Sin Min Koos,' which translates into 'obstacle' or 'thing in the way')〔(【引用サイトリンク】title=Mount Jumbo in the Missoula valley )〕 is an iconic mountain that overlooks the city of Missoula, Montana. The mountain is northeast of the city’s downtown and, in its majority, is publicly owned. In 1996, Jumbo was purchased from private landowners and protected from development. Funding for this purchase came from an open space bond, federal and non-profit agencies and thousands of local contributors. Additional land parcels have been purchased since then, increasing the easement to its current 1,800 acres.
==Natural History==
Glacial Lake Missoula
Between 15,000 and 13,000 years ago, Glacial Lake Missoula formed when an ice sheet blocked the Clark Fork River, damming up the river’s water back into the valleys of western Montana.〔"Glacial Lake Missoula"〕 The dam would periodically burst causing a flood of water to rush across Idaho, Washington and Oregon to the Pacific Ocean. This lake contained about of water, half the volume of Lake Michigan.
These dramatic drops in water levels caused the distinct glacial lake shoreline marks that are still visible from the floor of the Missoula Valley on the face of Mount Jumbo and neighboring Mount Sentinel.〔("Glacial Lake Missoula's shoreline" )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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