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North Star Mine Powerhouse
California Historical Landmark  #843
North Star Mine Powerhouse is located in California
North Star Mine Powerhouse
Location:Mining and Pelton Wheel Museum

South end of Mill Street at Allison Ranch Road
Grass Valley, California

Coordinates:39°12′50.1″N 121°4′19.0″W / 39.213917°N 121.071944°W / 39.213917; -121.071944
Built/Founded:1895
Architect:Arthur De Wint Foote
Architectural style(s):Pelton wheel
Governing body:City of Grass Valley

In 1895, the North Star Mine Powerhouse in the California Gold Rush town of Grass Valley, California developed the largest tangential water wheel in the world.[1] The powerhouse is located at the North Star Mine by Wolf Creek, a mile west of the Empire Mine. It is a designated California Historical Landmark, and has been turned into the North Star Mine and Powerhouse & Pelton Wheel Museum.