Duluth, Minnesota Superior, Wisconsin
Duluth, Minnesota And Superior, Wisconsin The Twin Ports in ATS. Written, Illustrated, and Drawn by R. Sanford. 2 Table of Contents 3. Forward 5. Chapter 1: Key 5. Section 1.1: Job Sites, Dealerships, and Garages 12. Section 1.2: Man-made Landmarks 51. Section 1.3: Natural Landmarks 63. Chapter 2: Transportation 63. Section 2.1: Interstate Highways 64. Section 2.2: US Highways 65. Section 2.3: State Highways 67. Section 2.4: Miscellaneous Roads 78. Section 2.5: Railroads 80. Section 2.6: Air Traffic 81. Section 2.7: Maritime Traffic 3 Forward: a Very Brief (and Little Researched) History, and About the Map. Duluth is built on what was, billions of years ago, the Superior Craton, one of the “foundations” of the North American continent. Interactions with other cratons resulted in the formation of the Canadian Shield, a large formation of rock in North America, featuring, at about 4 billion years old, some of the oldest naturally exposed rock on Earth. The North Shore Highlands are at the southern end of the Canadian Shield. Throughout prehistory a series of ice ages further shaped the highlands and the basin now filled by Lake Superior. At the end of the last ice age, this area, as well as northern Minnesota and Wisconsin, was made lively by boreal forests called the North Woods. The earliest known peoples to inhabit what are now the Twin Ports were the Dakota, the largest tribe of the Sioux Nation, which covered much of what is now Minnesota (which, incidentally, comes from the Dakota “mnisota,” meaning “sky-colored water”).
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