Rock Creek Mining District, Upper, Lower & Waterman Ditches, Near intersection of U.S. Route 26 & Antone Road, Dayville, Grant County, OR
Summary
Significance: The hydraulicking ditches of the Rock Creek Mining District are early representatives of a hydraulic mining process invented in California in 1852. The ditches preserve an early localized implementation of this technology and vividly depict the methods of placer mining as practiced in Oregon. The ditches also illustrate the important symbiotic relationship between early stock raising and the mining industry.
Unprocessed Field note material exists for this structure: FN-3
Survey number: HAER OR-9
Building/structure dates: 1865 Initial Construction
Building/structure dates: 1869- 1870 Subsequent Work
Building/structure dates: 1895 Subsequent Work
Building/structure dates: 1932 Subsequent Work
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