- Newberry National Volcanic Monument
| Bargar, Keith E. and Keith, Terry E.C. (1999) Geothermal Drillholes at Newberry Volcano. United States Geological Survey Professional Paper 1578. Bargar, Keith E. and Keith, Terry E.C. (1986) Hydrothermal Mineralization in GEO N-l Drillhole, Newberry Volcano, Oregon. United States Geological Survey Open-File Report 86-440. |