the works of Petiscus, Preller, and Welcker, Murray, A. S., Asher: 1873, Original from Oxford University, Digitized 19 Jan 2007 ^ a b ジャン=クロード・ベルフィオール『ラルース
Geological Survey(USGS) Bulletin 2072. Richter, Donald H.; Cindi C. Preller, Keith A. Labay, and Nora B. Shew (2006). "Geologic Map of the Wrangell-Saint
Geological Survey(USGS) Bulletin 2072. Richter, Donald H.; Cindi C. Preller, Keith A. Labay, and Nora B. Shew (2006). "Geologic Map of the Wrangell-Saint
Professional Paper 1616. ISBN 0-607-92676-7 Richter, Donald H.; Cindi C. Preller, Keith A. Labay, and Nora B. Shew (2006). "Geologic Map of the Wrangell-Saint