9/23/2023 The city of chicago has a latitude (42°n) within which part of the global circulation?Read Now![]() When the city we know today was initially founded in the 1830s, the land was swampy and most of the early building began on low dunes around the Chicago River's mouth. During heavy periods of rain or when the Des Plaines overflowed its banks due to downstream ice dams in the early spring, the river would flow through Mud Lake to the South Branch of the Chicago River, forming a favorite portage for early traders and creating the path of the future I&M and Chicago Sanitary and Ship Canals. One special feature of the Chicago area was the now-vanished Mud Lake in the Des Plaines River watershed. On the North side, the diagonals Clark Street and Ridge Boulevard run along ridges that were once sandbars in the Lake. In fact, it and the nearby Stony Island were both islands in Lake Chicago as it receded. In pioneer days, this hill was called Blue Island, so named because at a distance it looked like an island set in a trackless prairie sea. ![]() This plain has very little topographical relief in fact, topographical relief is so unusual in the plain that what would be unnoticed hills and ridges in other locales have been given names. The city of Chicago itself sits on the Chicago Plain, a flat plain that was once the bottom of ancestral Lake Chicago. It sits on the Saint Lawrence Seaway continental divide at the site of the Chicago Portage, an ancient trade route connecting the Mississippi River and the Great Lakes watersheds.Ĭhicago's present natural geography is a result of the large glaciers of the Ice Age, namely the Wisconsinan Glaciation that carved out the modern basin of Lake Michigan (which formed from the glacier's meltwater). The city of Chicago is located in northern Illinois, United States, at the south western tip of Lake Michigan. Satellite image of Chicago, October, 2018 ![]() Geography of the city of Chicago Geography of Chicago and surrounding counties. ![]()
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |