Traverse Gap
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The Traverse Gap is an ancient river channel occupied by Lake Traverse, Big Stone Lake, and the valley connecting them at Browns Valley, Minnesota. It is on the border of the U.S. states of Minnesota
Traverse Gap looking south from ice-covered Lake Traverse (bottom of frame) to Big Stone Lake (top). Interbasin flooding is shown: The Little Minnesota River in the Mississippi watershed is entering from the west (meanders at center right margin) and is flooding the Traverse Gap (gray water, surrounding the town of Browns Valley in the center). At lower right, floodwaters from the Little Minnesota are crossing the continental divide and flowing under
Glacial River Warren
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Glacial River Warren, also known as River Warren, was a prehistoric river that drained Lake Agassiz in central North America between about 13,500 and 10,650 BP calibrated years ago. A part of the uppe
Traverse Gap
…the moraine about 11,700 years ago. The resulting enormous outflow of the lake carved a deep spillway through the moraine, through which cascaded Glacial River Warren. This great river not only created the gap, it also cut the valleys of the present-day Minnesota and Upper Mississippi Rivers. River Warren drained…
The Minnesota River Valley and tributaries as seen from an airliner at Redwood Falls, Minnesota. The Minnesota River occupies only a small portion of the wide valley carved by the Glacial River Warren.