Chromite mining The Oregon Encyclopedia
Mar 17, 2018#0183;#32;Evidence of mining in the form of primitive roads, pits, tunnels, cabins, and mills can still be found on the landscape, including in the Kalmiopsis Wilderness. While the United States has imported all its chromite since 1961, the Oregon Resources Corporation proposed to mine the black sands near Coos Bay. With permits approved, construction of facilities and exploration mining began in 2010.