RS WilliamsJr and JG Ferrigno eds. (2012). Satellite image atlas of glaciers of the world. State of the Earth’s cryosphere at the beginning of the 21st century: glaciers, global snow cover, floating ice, and permafrost and periglacial environments. (USGS Professional Paper 1386- A) United States Geological Survey, Denver, CO, 546pp. ISBN 987-0-607-98287-9, softback (also available at http://pubs.usgs.gov/pp/p1386a/)