Figure 30.--Southern part of the Southern Patagonian Ice Field (green), just south of the map in figure 29. Taken from Lliboutry (1956). The thick lines are ridgelines. Some geographic place-names are inconsistent with those used in the text, and those in the text conform to the usage recommended by the U.S. Board on Geographic Names in the gazetteers of Argentina (1992a) and Chile (1967, 1992b).