Abandoned mines

The dizzying scope of abandoned mine hazards on public lands (High Country News, 1/28/2022)

Public health assessment: Formosa Mine, Riddle, Oregon. (2010) Oregon Department of Human Services

Minerals and mines in southern Oregon

What’s Theirs is Mines (Eugene Weekly, 7/13/2017)

Metallic and industrial mineral resource potential of southern and eastern Oregon (2016) Oregon Department of Geology and Mineral Industries

Cleanup of abandoned mines

Toxic legacy: Abandoned mines cover Oregon, the West (Statesman Journal, 8/17/2015)

Cleanups of abandoned mines in Oregon complicated by high cost and lack of funding [PDF] (2012) Oregon Department of Environmental Quality, Land Quality Division

Public health assessment : Formosa Mine, Riddle, Oregon [PDF] (2010) Oregon Department of Human Services, Environmental Health Assessment Program

Black Butte Mine summary [PDF] (2012) Oregon Health Authority, Environmental Health Assessment Program