Wisconsin Trivia: What was Wisconsin's 2nd-largest city in 1910?

Superior's population peaked in 1910.

Turning Points in Wisconsin History:  Mining in Northern Wisconsin.  (Wisconsin Historical Society)  Northern settlement was shaped largely by and for the benefit of people outside Wisconsin, especially investors from Eastern cities who hoped to make a quick fortune through mining. Their interest in extracting and transporting ore from the western end of Lake Superior led to the founding of Superior, Ashland, and Bayfield.