Frederick William Beechey: Narrative of a voyage to the Pacific and Beering’s strait, to co-operate with the polar expeditions: performed in His Majesty’s ship Blossom, under the command of Captain F. W. Beechey, R. N., F.R.S. &c. in the years 1825, 26, 27, 28. Band1. Henry Colburn and Richard Bentley, London 1831, S.337f. (englisch, online).
John Muir: The Cruise of the Corwin. Journal of the Arctic Expedition of 1881 in search of De Long and the Jeannette. Houghton Mifflin Company, Boston / New York 1917, Appendix I: The Glaciation of the Arctic and Subarctic Regions Visited during the Cruise, S.248 (englisch, online [PDF; 5,0MB]).
usgs.gov
pubs.usgs.gov
Alison B. Till, Julie A. Dumoulin, Melanie B. Werdon, Heather A. Bleick: Preliminary bedrock geologic map of the Seward Peninsula, Alaska, and accompanying conodont data. Open-File Report 2009-1254. United States Geological Survey (USGS), 29. September 2010, S.13, Kgu: Granitic rocks, undifferentiated (Cretaceous) (englisch, online [PDF; 3,9MB]).