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Bachmann, O.; Dungan, M.A.; Lipman, P.W. (May 2000). "Voluminous lava-like precursor to a major ash-flow tuff: low-column pyroclastic eruption of the Pagosa Peak Dacite, San Juan volcanic field, Colorado". Journal of Volcanology and Geothermal Research. 98 (1–4): 153–171. Bibcode:2000JVGR...98..153B. doi:10.1016/S0377-0273(99)00185-7.
Phillips, D (2013). "Ultra-high precision 40Ar/39Ar ages for Fish Canyon Tuff and Alder Creek Rhyolite sanidine: New dating standards required?". Geochimica et Cosmochimica Acta. 121: 229–239. Bibcode:2013GeCoA.121..229P. doi:10.1016/j.gca.2013.07.003.
Bachmann, O.; Dungan, M.A.; Lipman, P.W. (May 2000). "Voluminous lava-like precursor to a major ash-flow tuff: low-column pyroclastic eruption of the Pagosa Peak Dacite, San Juan volcanic field, Colorado". Journal of Volcanology and Geothermal Research. 98 (1–4): 153–171. Bibcode:2000JVGR...98..153B. doi:10.1016/S0377-0273(99)00185-7.