Ford 2839 Gymnogyps californianus 18 January 1946 San Francisco Calt. of Work (?) & the father of one of the group had also been to the meat. Wals's nest was near the corner of Condor Cliff between a large stone slab & themain cliff. The nest faced about NW & could be walked into from below. This nest was almost directly below that of the Dark Noubs on Condor Cliff - 100'(?). The cave was about 20 ft. long & the egg found at the inner extremity on the sandy floor. Dr. Will found the nest when he walked about 10' (?) from the mouth & flushed an adult. The egg was a large one - over 5 3/8" they measured with a steel tape. The egg was photod in the nest & held in the hand in the sun outside of the nest for more photos - this later after Dr. Will had left as he did not approve of this. The egg was found early in April & the chick first found about 5 days old they estimated - in May; they estimated it hatched about May 15. The egg shell was present at that time & photos show the bird with an egg tooth. Photos show the claws on slab & tip of wing & the youngstr held in sunlight. Youngster was white downed & well formed with apparently shape