
Geography
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Great Lakes Institute of Management
Great Lakes Institute of Management. Front Page. About ... What has the President of United States of America got to do with this blog? ...greatlaker.wordpress.com/Great Lakes Ruby Bash Blog
Great Lakes Ruby Bash Blog. October 11, 2008 in Ann Arbor, Michigan. Search. Home. About ... Join the Great Lakes Ruby Bash Google Group for conference follow ...blog.greatlakesrubybash.org/Great Lakes Blog |
glenergy.com. Blog Home. Archive. Contact. Subscribe. Log in. Welcome to the Great Lakes blog (beta) ... About the Great Lakes Blog. description here. Category ...www.gtlakes.com/blog/Great Lakes Law
All Things Wet and Legal in the Great Lakes Region ... More importantly, the Great Lakes Law blog has educated both attorneys and ...www.greatlakeslaw.org/blog/Great Lakes Blog | Archive
... Great Lakes ... Welcome to the Great Lakes blog (beta) 1. 5. Cultural Commitment Meetings ... About the Great Lakes Blog. description here. Category list ...www.gtlakes.com/blog/archive.aspx
Geography
The Great Lakes region contains not only the five main lakes themselves, but also numerous minor lakes and rivers, as well as approximately 35,000 islands.
Lake Michigan-Huron
Lakes Michigan and Huron are hydrologically a single lake, sometimes called Lake Michigan-Huron; they have the same surface elevation of
Rivers

- The St. Marys River connects Lake Superior to Lake Huron.
- The St. Clair River connects Lake Huron to Lake St. Clair
- The Detroit River connects Lake St. Clair to Lake Erie. Through its middle is the border between Canada and the United States.
- The Niagara River, including Niagara Falls, connects Lake Erie to Lake Ontario.
- The St. Lawrence River connects Lake Ontario to the Atlantic Ocean
Other bodies of water
- Georgian Bay is a large bay located within Lake Huron, separated by the Bruce Peninsula and Manitoulin Island. It contains the majority of the islands of the Great Lakes, with a count of approximately 30,000. The North Channel, a narrower westerly extension of Georgian Bay, separates Manitoulin Island from mainland Northern Ontario.
- The Straits of Mackinac connects Lake Michigan to Lake Huron.
- The Welland Canal connects Lake Erie to Lake Ontario, bypassing the Niagara River which cannot be fully navigated due to the presence of Niagara Falls.
- Lake St. Clair is the smallest lake in the Great Lake system but due to its relatively small size (compared to the five "Great Lakes"), it is rarely, if ever, considered a Great Lake.
- Lake Nipigon to the north of Lake Superior was formed by an extension or aulacogen of the Midcontinent Rift System which also formed Lake Superior, so the two lake beds are connected by shared geology. Lake Nipigon is sometimes called the sixth Great Lake.

Islands
Dispersed throughout the Great Lakes are approximately 35,000 islands. The largest among them is Manitoulin Island in Lake Huron, the largest island in any inland body of water and home to the world's largest lake within a lake, Lake Manitou. The second-largest island is Isle Royale in Lake Superior. Both of these islands are large enough to contain multiple lakes themselves.
Connection to ocean and open water
The Saint Lawrence Seaway and Great Lakes Waterway opened the Great Lakes to ocean-going vessels. The move to wider ocean-going container ships — which do not fit through the locks on these routes — has limited shipping on the lakes. Despite their vast size, large sections of the Great Lakes freeze over in winter, interrupting most shipping. Some icebreakers ply the lakes.

























