From the record
“The Osgood Ditch is a 9.2-mile (14.8 km) section of mining ditch located in southern Josephine County, Oregon, and northern Del Norte County, California. The ditch supplied water from the East Fork of the Illinois River to the High Gravel and Cameron mines, two hydraulic mines that conducted placer gold mining operations in the Upper Illinois Valley.”
Wikipedia article Osgood Ditch, CC BY-SA 4.0.
One of 69 National Register listings published here for Josephine County · listed in 2001 · category: Structure.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service
