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USA | |
| Marshall W. Gannett and Keith E. Bargar 1981 Volcanic stratigraphy and secondary mineralization of USGS Pucci geothermal test well, Mount Hood, Oregon, Open-File Report 81-1330. |
| Singer, D.A., Berger, V.I., Moring, B.C. (2008) Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. Open-File Report 2008-1155 (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Sorrell, Steve (n.d.) Personal communication. |
- Washougal Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |