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Osceola Ditch
The Osceola Ditch, also known as the East Ditch, was built in 1889-1890 to convey water from Lehman Creek, Nevada to a hydraulic mine operation at Osceola. Extending for , the ditch includes a tunnel as well as wooden flumes. The project also includes a rock dam and headgate on Stella Lake. The ditch's terminus at Osceola, Nevada became disused during the early 1900s and was destroyed entirely by a fire in the 1940s. Much of the East Ditch is included within Great Basin National Park.
==Osceola Mine==
Gold was first discovered by James Matteson and Frank Heck in 1872 in what would become the Osceola mining district, to the west of what would become Great Basin National Park. Placer gold was discovered by John Versan in 1877. The town of Osceola grew to 1500 residents, extracting almost $2 million in gold, including a nugget. Gold was found in nearby Dry Gulch, but its extraction would require large scale engineering. The Osceola Gravel Mining Company formed to exploit the deposit using hydraulic mining techniques, constructing the West Ditch in 1884-1885. The water proved to be inadequate for the purpose, so the East Ditch was surveyed in 1885. Water rights were purchased from Absalom Lehman, discoverer of Lehman Caves.
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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