Brown, Jerry (1966) Soils of the Okpilak River Region, Alaska, CRREL Research Report 188. Hanover, NH: U.S. Army Cold Regions Research and Engineering Laboratory.
Crory, Frederick E. (1991) Construction Guidelines for Oil and Gas Exploration in Northern Alaska, CRREL Report 91-21. Hanover, NH: U.S. Army Cold Regions Research and Engineering Laboratory.
Davis, Neil (2001) Permafrost: a guide to frozen ground in transition. Fairbanks, AK: University of Alaska Press.
Lundqvist, Jan (1969) Earth and ice mounds: a terminological discussion. In The Periglacial Environment: Past and Present, ed. Troy L. Péwé, 203–215. Ottawa, Canada: Arctic Institute of North America.
Stoeckeler, E.G. (1949) Investigation of airfield construction in arctic and subarctic regions: identification and evaluation of Alaskan vegetation from airphotos with reference to soil, moisture and permafrost conditions: a preliminary paper. St. Paul, Minnesota: Field Operations Branch, Permafrost Division.
van Everdingen, Robert, ed. 1998 revised May 2005. Multi-language glossary of permafrost and related ground-ice terms. Boulder, CO: National Snow and Ice Data Center/World Data Center for Glaciology.
Washburn, A.L. (1973) Periglacial processes and environments. New York: St. Martin's Press.
Washburn, A.L. (1980) Geocryology: a survey of periglacial processes and environments. New York: John Wiley & Sons.
Whalley, Brain W. and H. Elizabeth Martin (1992) Rock glaciers: II models and mechanisms. Progress in Physical Geography, 16(2): 127–186.