Search results
Results from the WOW.Com Content Network
The Old Copper Complex of the Western Great Lakes is the best known, and can be dated as far back as 9,500 years ago. [4] [1] Great Lakes natives of the Archaic period located 99% pure copper near Lake Superior, in veins touching the surface and in nuggets from gravel beds.
Nipissing Great Lakes was a prehistoric proglacial lake. Parts of the former lake are now Lake Superior , Lake Huron , Georgian Bay and Lake Michigan . It formed about 7,500 years before present (YBP).
Early European settlers were astounded by both the variety and quantity of fish; there were 150 different species in the Great Lakes. [14] Throughout history, fish populations were the early indicator of the condition of the Lakes and have remained one of the key indicators even in the current era of sophisticated analyses and measuring ...
Ancient canoe — oldest ever found in Great Lakes — recovered in Wisconsin. ‘Invaluable’ ... This canoe is the oldest canoe ever found in the Great Lakes region – about 1,000 years older ...
Nipissing Great Lakes: 8,400 – 5,500 YBP formed as the water bodies in the Superior and Huron basins merged across Sault Ste. Marie around 8,400 YBP and then merged with the Michigan basin around 7,800.; [1] - 5,500; [9] - 4,500 YBP [10] Lake Houghton; 8,700 – 8,000 YBP covered the Superior basin in Ontario, Minnesota, Wisconsin, and ...
Revised Lake Erie postglacial lake level history based on new detailed bathymetry. Journal of Great Lakes Research *29:681-704. Kaszycki CA. 1985. History of glacial Lake Algonquin in the Haliburton Region, South Central Ontario. Pages 109–123, in Karrow PF, Calkin PE, eds.Quaternary Evolution of the Great Lakes. St.
Lake Chicago was a prehistoric proglacial lake that is the ancestor of what is now known as Lake Michigan, one of North America's five Great Lakes.Formed about 13,000 years ago and fed by retreating glaciers, it drained southwest through the Chicago Outlet River.
A native Great Lakes whitefish thought extinct for nearly 40 years has been rediscovered by scientists ... "They have just learned to adapt their life history to coexist with alewife," Claramunt ...