Plate 1: Sketch map showing glacial features -- Figure 1. Index map showing position of area mapped -- Figure 2. Profile of floor of part of Lago Nahuel Huapi and Río Limay -- Figure 3. Approximate average altitudes of cirque floors -- Figure 4. Profile of multiple fan -- Tabla 1. Average heights and widths of Andes Cordillera -- Tabla 2. Altitudes and depths of major lakes and character of their dams -- Tabla 3. Climatic data for three stations in western Argentina -- Tabla 4. Percentages of rock types in pebble lithology -- Tabla 5. Principal drift bodies -- Tabla 6. Characteristics of fresh and weathered granitic clasts in glacial drift -- Tabla 7. Percentages of weathered granitic clasts to total granitic clasts in therr drift bodies -- Tabla 8. Relative heights of original surfaces of outwash bodies -- Tabla 9. Features at limit of Pichileufú glaciation -- Tabla 10. Glacial age [altitude] limit of forest three -- Tabla 11. Comparison of stratigraphic sequence in this report with that of Caldenius -- Tabla 12. Comparison of percentages of weathered granitic clasts with two areas in western North America -- Tabla 13. Correlation with United States.