 Soon after, they built a dam at Rice City Pond which considerably increased the water power.In 1866, an steam engine was installed and production continued to rise dramatically as the mill started producing fancy cashmeres as the name changed to the Calumet Woolen Company.Arthur and Stanley Wheelock bought the mill after 1905 and during WWI, a half million yards of khaki for the US government was produced as well as cloth for the French and Italian governments".