Bob R and friends climbed the East Arete on 8-14-2002. Nice set of pictures here:
2002-08-14 Mt Carl Heller The set has extensive photos going up the arete.
Map centered on Mt Carl Heller. Coordinates:
36.6116,-118.2985Bob's picture of Carl Heller:

And a note from Peter Croft (
link)

The summit log book: (
larger)