Figure E-16.2 is an aerial photograph north of the Insul Range looking west up Victoria Valley. Crescentic dunes are moving right to left on patterned ground formed on glacial drift. The dunes are 5 to 10 m high, and the center dune is 250 to 300 m wide. The rock hammer in the lower left shows the scale. The ripples indicate that the wind direction is right to left.
Sand shadows to the left of the outcrop disturb the ripple pattern.
Cornices are at the crest of each of the linear dunes in Figure E-16.4. The cornices disappear as the upper surface of the dunes dry out. Victoria Lower Glacier is in the background of this figure. The dune in the foreground is encroaching on glacial drift. Packard Glacier enters in the upper left.