The chapter titled "CIRCUM-ARCTIC MAP OF PERMAFROST AND GROUND-ICE CONDITIONS" is authored by J. Brown, O.J. Ferrians, Jr., J.A. Heginbottom, and E.S. Melnikov, and published by the U.S. Geological Survey in 1997. The authors are affiliated with the International Permafrost Association, U.S. Geological Survey, Geological Survey of Canada, and the Institute for Hydrogeology and Engineering Geology. The map series is prepared with the cooperation and assistance of the Circum-Pacific Council for Energy and Mineral Resources and the Circum-Pacific Map Project. The publication provides a comprehensive overview of permafrost and ground-ice conditions in the circum-Arctic region.The chapter titled "CIRCUM-ARCTIC MAP OF PERMAFROST AND GROUND-ICE CONDITIONS" is authored by J. Brown, O.J. Ferrians, Jr., J.A. Heginbottom, and E.S. Melnikov, and published by the U.S. Geological Survey in 1997. The authors are affiliated with the International Permafrost Association, U.S. Geological Survey, Geological Survey of Canada, and the Institute for Hydrogeology and Engineering Geology. The map series is prepared with the cooperation and assistance of the Circum-Pacific Council for Energy and Mineral Resources and the Circum-Pacific Map Project. The publication provides a comprehensive overview of permafrost and ground-ice conditions in the circum-Arctic region.