Figure 35.--Oblique aerial photograph taken in March 1989 looking northwest at Glaciar Viedma in the Southern Patagonian Ice Field as it calves into Lago Viedma. In the background on the right is Nunatak del Viedma at the foot of an extensive mountain range, Cordón Mariano Moreno. Photograph courtesy of Daniel Rivademar, Buenos Aires, Argentina (furnished by Pedro Skvarca, Instituto Antártico Argentino, División Glaciología, Buenos Aires, Argentina).