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Lake Missoula was a prehistoric proglacial lake in western Montana that existed periodically at the end of the last ice age between 15,000 and 13,000 years ago. The lake measured about 7,770 square kilometres (3,000 sq mi) and contained about 2,100 cubic kilometres (500 cu mi) of water, half the volume of Lake Michigan .
The Holliston Mills site, a Mississippian town in Upper East Tennessee, is located on the north bank of the Holston River south of Kingsport in Hawkins County, Tennessee. The site was excavated by members of the Tennessee Archaeological Society between 1968 and 1972.
Each of Tennessee's 95 counties has at least one listing. The Tennessee Historical Commission, which manages the state's participation in the National Register program, reports that 80 percent of the state's area has been surveyed for historic buildings. Surveys for archaeological sites have been less extensive; coverage is estimated less than ...
Lake Chippewa; 10,700 – 7,500 YBP, [1] covered the lowest elevations in the Lake Michigan basin forming a linear lake in the middle, linked by a narrow proto-Straits of Mackinac and the Mackinac Falls to Lake Stanley. [1] Lake Chicago; 14,000 – 11,000 YBP [1] along the southern shore and growing slowly northward. Lake Superior basin
After the lake drained, the ice would reform, creating Glacial Lake Missoula again. These floods have been researched since the 1920s. During the last deglaciation that followed the end of the Last Glacial Maximum , geologists estimate that a cycle of flooding and reformation of the lake lasted an average of 55 years and that the floods ...
The Eva site (40BN12) is a prehistoric Native American site in Benton County, Tennessee, in the Southeastern United States. Located along an ancient channel of the Tennessee River, the Eva site saw extensive periods of occupation during the Middle and Late Archaic period (c. 6000-1000 BC). The site's well-defined midden layers helped ...
The lake's outflow was catastrophic at times, [2] and carved a gorge through the moraine a mile (1.6 km) wide and 130 feet (~40 m) deep, which is now known as the Traverse Gap. [3] While active, Glacial River Warren cut and eroded a bed up to five miles (8 km) wide and 250 feet (80 m) deep. [ 4 ]
The National Park Service (NPS) commissioned an environmental assessment, which concluded that 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. [1]