Richter, D. H.; Moll-Stalcup, E. J.; Miller, T. P.; Lanphere, M. A.; Dalrymple, G. B.; Smith, R. L. (March 1994). "Eruptive history and petrology of Mount Drum volcano, Wrangell Mountains, Alaska". Bulletin of Volcanology. 56 (1): 29–46. Bibcode:1994BVol...56...29R. doi:10.1007/bf00279727. ISSN0258-8900. S2CID128820426.
Richter, D. H.; Moll-Stalcup, E. J.; Miller, T. P.; Lanphere, M. A.; Dalrymple, G. B.; Smith, R. L. (March 1994). "Eruptive history and petrology of Mount Drum volcano, Wrangell Mountains, Alaska". Bulletin of Volcanology. 56 (1): 29–46. Bibcode:1994BVol...56...29R. doi:10.1007/bf00279727. ISSN0258-8900. S2CID128820426.
Richter, D. H.; Moll-Stalcup, E. J.; Miller, T. P.; Lanphere, M. A.; Dalrymple, G. B.; Smith, R. L. (March 1994). "Eruptive history and petrology of Mount Drum volcano, Wrangell Mountains, Alaska". Bulletin of Volcanology. 56 (1): 29–46. Bibcode:1994BVol...56...29R. doi:10.1007/bf00279727. ISSN0258-8900. S2CID128820426.
Richter, D. H.; Moll-Stalcup, E. J.; Miller, T. P.; Lanphere, M. A.; Dalrymple, G. B.; Smith, R. L. (March 1994). "Eruptive history and petrology of Mount Drum volcano, Wrangell Mountains, Alaska". Bulletin of Volcanology. 56 (1): 29–46. Bibcode:1994BVol...56...29R. doi:10.1007/bf00279727. ISSN0258-8900. S2CID128820426.