1. Geological Survey of Canada Paper;RG Anderson,1989
2. Armstrong, R. L. 1988. Mesozoic and early Cenozoic magmatic evolution of the Canadian Cordillera. Geological Society of America Special Paper, 218, 55–91.
3. Arth, J. G., Barker, F.& Stern, T.W. 1988. Coast Batholith andTakuplutons near Ketchikan, Alaska: Petrography, geochronology, geochemistry, and isotopic character. American Journal of Science, 288-A, 461–489.
4. US Geological Survey Geophysical Open-File Map;DF Barnes,1972
5. US Geological Survey Geophysical Open-File Map;DF Barnes,1972