Mbhs #: 0707.2
Location: View northeast from USFS Road 300 showing barely discernible remnant of O'Brien Ditch (diagonally across center); stacked-rock ditch berm (center) is visible between shrubs
Source: Historic American Engineering Record - Library of Congress
Notes: According to HAER: The mine was the first significant lode gold mining operation in the West, north of California. It brought hardrock mining (tunneling) and milling to Oregon, techniques that later spread across the Pacific Northwest to far richer mining centers in northern Idaho and elsewhere.
