Citation
International Permafrost Association circum-Arctic map of permafrost and ground ice conditions [cartographic material] / compiled and edited by J. Brown ... [et al.] ; map production by the United States Geological Survey ; prepared with the cooperation and assistance of the Circum-Pacific Council for Energy and Mineral Resources, Circum-Pacific Map Project.. [GeoTIFF]. U.S. Geological Survey ;. Retrieved from https://earthworks.stanford.edu/catalog/mit-002037114