The Northern Plains, Red River Valley & MId-Missouri River map
This map includes all of North and South Dakota and Minnesota, most of Wisconsin, a good deal of eastern Montana and northeastern Wyoming, and portions of Nebraska and Iowa. Southeastern Saskatchewan, southern Manitoba (including all of Lake Winnipeg) and southwestern Ontario are also shown.
Small - Scale is 1:2 million or 1" = about 32 miles
Large - Scale is 1:1.5 million or 1" = about 24 miles
