The US Geological Survey has recently posted this detailed chapter on South American glaciers as part of the Satellite Image Atlas of Glaciers of the World. Edited by Richard Williams and Jane Ferrigno, this ambitious project incorporates LANDSAT images, aerial photographs, and maps "to produce glacier inventories, define glacier locations, support on-going field studies of glacier dynamics, and monitor the extensive glacier recession that has taken place and is continuing in many parts of South America." Based on an impressive collection of images from the 1970s, this resource provides a permanent historic record of the glacial coverage of the planet. Further, the atlas may be used as a standard for comparison with current and future data. Specific sections of the resource cover the glaciers of Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina.
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