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USA | |
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| 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 |
- Washougal Mining District
| Moen, W.S. (1977) St. Helens and Washougal Mining Districts of the Southern Cascades of Washington. State of Washington Department of Natural Resources, Division of Geology and Earth Resources, Information Circular 60, p. 43, 58-59. |
|
| Cannon, Bart (1975) Minerals of Washington. Cordilleran, Mercer Island, WA.
Valentine, Grant M., Huntting, Marshall T. (1960) Part II - Metallic Minerals, in Inventory of Washington Minerals. Vol II. Bulletin 37, Washington Geological Survey. |
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| Moen, W.S., (1977), St. Helens and Washougal Mining Districts of the Southern Cascades of Washington: Washington Division of Geology and Earth Resources Information Circular 60, P. 43, 54-56. |
