Union Hill, California
Union Hill is a former settlement in Nevada County, California, 1.5 mi (2.4 km) from Grass Valley.[2] Its elevation is 2,700 ft (820 m) above sea level.[1] Gold mining is recorded as early as January 30, 1851. A number of mines yielded eighty dollars per ton at times. Sulfurets were said to yield 420 dollars per ton. First arrastres were in use, then a number of stamp mills. [3] The Union Hill School District, established in 1868, continues to operate in Grass Valley, though at a different location. Beginning in 1876, travelers could reach Union Hill via the Nevada County Narrow Gauge Railroad.[4] Its station was located on the Union Hill road, southeast of Grass Valley and northwest of Colfax.[5] The Union Hill mine was a good producer of gold for many years. References
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