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William helped in the industrial revolution of Minneapolis. To mention a Few: built Cataract Mills; North Star Woolen Mill; First Paper Mill; First Wheat Elevator in MN in 1866; Anchor Flouring Mill (later traded to ex-Gov John S. Pillsbury of the famed Pillsbury Co of present day); Lumber business, Eastman, Bovey & Co, owning timber lands in State of Washington; purchased Nicollet Island lying in river just above St Anthony Falls, MN; credited with "The best laid schemes o' mice an' men..."; his construction company helped build the first section of road from Duluth to the Red River, completed in 1872; in 1890s he purchased the consolidated Breweries of Minneapolis; in 1890s build a large magnificent Hotel in Hot Springs, AR, called the Hotel Eastman & considered one of the largest and best equipped in the country & classed with the Ponce de Leon in Jacksonville, FL; sheep raising in Montana; wholesale Grocery house of Dunham & Eastman; & numerous other business ventures.