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Ice Age Floods National Geologic Trail
The Ice Age Floods National Geologic Trail or Ice Age Floods Trail is designated as the first National Geologic Trail in the United States. It will consist of a network of routes connecting facilities that will provide interpretation of the geological consequences of the Glacial Lake Missoula floods of the last glacial period that began about 110,000 years ago.
==History of "Ice Age Floods Trail" creation==
The National Park Service (NPS) commissioned an Environmental Assessment, which concluded that Option 3 - creation of a "National Geologic Trail—designating the Floods pathways managed by the National Park Service, with an Interagency Technical Committee representing the federal, tribal, and state agencies and a Trail Advisory Committee to assist the Trail Manager and staff" was the preferred option. As a result, the Ice Age Floods Trail was established by the Omnibus Public Land Management Act of 2009, in which Congress authorized establishing the Ice Age Floods National Geologic Trail in parts of Montana, Idaho, Washington, and Oregon states, and established NPS administration of the Trail.
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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