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Sumpter Valley Gold Dredge
U.S. National Register of Historic Places
Sumpter Valley Gold Dredge
Sumpter Valley Gold Dredge is located in Oregon
Location: SW of Sumpter near Cracker Creek, Sumpter, Oregon[2]
Coordinates: 44°44′33″N 118°12′15″W / 44.7425°N 118.20417°W / 44.7425; -118.20417Coordinates: 44°44′33″N 118°12′15″W / 44.7425°N 118.20417°W / 44.7425; -118.20417
Area: 5 acres (2.0 ha)
Built/Founded: 1935
Governing body: Oregon Parks and Recreation Department
Added to NRHP: October 26, 1971
NRHP Reference#: 71000676[1]

The Sumpter Valley Gold Dredge is a historic gold dredge located in Sumpter, Oregon, United States. The dredge was built during the gold rush that consumed most of the western states throughout the mid 1800s. Gold was discovered in Sumpter in 1862, but the advent of using a large machine to perform placer mining in Sumpter Valley did not occur until 1912. Three dredges were built between 1912 and 1934.

A gold dredge works by having large buckets that pull the gold-bearing earth up into its machinery to be processed, keeping the gold and spewing the waste (known as "tailings") out the back by way of a stacker. Built on a shallow hull, these dredges did not need a lot of water to operate, as they moved their pond of water with them.

The internal mechanics were not very sophisticated—they duplicated, on a larger scale, many of the devices used by placer mining throughout the gold rush, such as the gold pan and the sluice box. In essence, the dirt that was dug by the large electrically powered buckets was sifted and sorted, and the remainder was washed over a series of riffles allowing the gold to settle and be trapped. The primary advantages that made the dredge more efficient than other methods were the volume of earth it could process and having its own water supply. The dredge that was built in Sumpter Valley could dig over 20 buckets per minute, consuming more than seven yards of earth each minute.

The Sumpter Valley Gold Dredge required a three-man crew to operate the machinery and 17 more workers to complete the crew for maintenance, bookkeeping, surveying, truck driving, managing and a few other roles. The dredge operated 363 days a year; most of the men were given the Fourth of July and Christmas day off from work. One or two men had to stay onboard to watch over the machine during the evenings. Dredge workers often reported hearing the ghost of Joe Bush "Haunting" the dredge when the dredge was not operating due to closure or repair.[3]

The Oregon State Parks and Recreation Department has preserved this historic area as the Sumpter Valley Dredge State Heritage Area.[4] The park includes the Gold Dredge Gift Store and Museum, with a video featuring interviews with dredge workers, historic photos and artifacts. Tours of the dredge are provided.

References

  1. ^ "National Register Information System". National Register of Historic Places. National Park Service. 2009-03-13. http://www.nr.nps.gov/.  
  2. ^ U.S. Geological Survey Geographical Names Information System: Sumpter Valley Gold Dredge
  3. ^ Schoeningh, D. (1999). Dredging up the Past, Oregon Trail. November, 4-5.
  4. ^ Sumpter Valley Dredge State Heritage Area

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