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  2. Lake Agassiz - Wikipedia

    en.wikipedia.org/wiki/Lake_Agassiz

    When Lake Agassiz existed, the gap was the outlet to River Warren. The outflow from the melting glaciers filled Lake Agassiz and then drained through the gap to the Gulf of Mexico. This mass of moving water eroded a valley 2–5 kilometres (1.2–3.1 mi) wide and from 100 to 125 feet (30 to 38 m) deep.

  3. Traverse Gap - Wikipedia

    en.wikipedia.org/wiki/Traverse_Gap

    The Laurentide Ice Sheet decayed and receded as the Wisconsonian glaciation drew to a close, and Glacial Lake Agassiz formed from its meltwaters. The glacier blocked outlets to the north, and the outlet to the south was dammed by the Big Stone Moraine, a terminal moraine left by the ice sheet's retreat. Lake Agassiz filled until it overtopped ...

  4. Proglacial lakes of Minnesota - Wikipedia

    en.wikipedia.org/wiki/Proglacial_lakes_of_Minnesota

    Glacial Lake Agassiz was an enormous lake, larger in area than all the Great Lakes combined, and the largest body of fresh water ever to have existed in North America. [2] It extended from its outlet near Browns Valley, Minnesota west into South Dakota and North Dakota and north into Saskatchewan, Manitoba, and Ontario. [2]

  5. Glacial River Warren - Wikipedia

    en.wikipedia.org/wiki/Glacial_River_Warren

    Lake Agassiz was formed from the meltwaters of the Laurentide Ice Sheet during the Wisconsin glaciation of the last ice age. Agassiz was an enormous body of water, up to 600–700 ft (180–210 m) deep, and at various times covering areas totaling over 110,000 sq mi (280,000 km 2). [3]

  6. Geology of Minnesota - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Minnesota

    Melting glaciers formed many of the state's lakes and etched its river valleys. They also formed a number of proglacial lakes, which contributed to the state's topography and soils. Principal among these lakes was Lake Agassiz, a massive lake with a volume rivaling that of all the present Great Lakes combined.

  7. Glacial history of Minnesota - Wikipedia

    en.wikipedia.org/wiki/Glacial_history_of_Minnesota

    An early map of the extent of Lake Agassiz (by 19th century geologist Warren Upham). This map is now believed to underestimate the extent of the region once overlain by Lake Agassiz. The largest of all the proglacial lakes was Lake Agassiz, a small part of which occupied the present Red River Valley of Minnesota and North Dakota. Glaciers to ...

  8. Pembina Escarpment - Wikipedia

    en.wikipedia.org/wiki/Pembina_Escarpment

    Lockhart Phase of Lake Agassiz approximately 11,500 years ago when the Pembina Escarpment was formed. The area north of the orange line was the Laurentide Ice Sheet.. The Pembina Escarpment is a scarp that runs from South Dakota to Manitoba, and forms the western wall of the Red River Valley.

  9. Saskatchewan River Delta - Wikipedia

    en.wikipedia.org/wiki/Saskatchewan_River_Delta

    Like all deltas, the SRD formed by deposition of river-borne sediment into a standing body of water. Early stages of SRD development began some 10,000–11,000 years ago where the east-flowing Saskatchewan River entered the western shore of former Glacial Lake Agassiz, an enormous meltwater lake formed at the margins of the Laurentide Ice Sheet as it receded to the northeast.