Satellite image atlas of glaciers of the world — North America - Williams Jr., Richard; Ferrigno, Jane; Ommanney, C.; Wheate, Roger; Sidjak, Robert; Whyte, Garnet; Koerner, R.; Jeffries, Martin; Andrews, John; Holdsworth, Gerald; Jacobs, John D.; Clarke, Garry; et al. (Professional Paper, 2002)