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North Star Mine and Powerhouse
The North Star Mine and Powerhouse are located on Lafayette Hill a short distance south of Grass Valley in the U.S. state of California. It was the second largest producer of gold during California’s Gold Rush. In 1898, the largest ever Pelton wheel for its time was built for the mine. The North Star Mine Company also owned locations on Weimar Hill, adjoining and south of the North Star Mine. It shut down during World War II after its consolidation with the Empire Mine.
==Geography==
The mine is located by Wolf Creek, on Auburn Road, west of the Empire Mine. It is approximately in size and situated in a southerly direction, the north boundary of the North Star being at an average distance of southerly from the Irish-American Mine. Within the surface boundaries of the North Star, there is a ledge of rock known as the "North Star Ledge", its top or apex wholly within the surface boundaries.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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