Gymnogyps californianus July 3, 1946 Nr.Bryson, Calif. Have come from some rocks there near Dutra Place. (Walt sia description was too accurate for imagination.) They used to mine quicksilver in that area. Another nest was at Pebblestone Sheet-In where there are high conglom- erate cliffs. This spot is on S. side of the Nocimientos River about 3/4 miles upstream from Asberry Creek, on the N. side of the bluff. Another spot, where DaTracy got an egg, was on Little Burnett Creek about 1 mile N. & 1/2 mile E. of Burnett Pk. The nest there was a cre- vice about 15' deep which we could walk into. Walt- er's uncles discovered it when hunting; they found & a brood of eggs. Walter had been in this cave. Yet another spot was at The Sheet- In on Nocimientos River at its junction with El Riojo Creek (1/2 mile below Welles Creek). I visited this cliff with Harris & photaged it. The 400' steep conglom- erate bluffs rises at edge of the Nocimientos on the NW side, of the cave Walter thought was it was about 150' up from canyon bottom on the SE face, a roundish hole about 6' high. The rocks here is the same as at Beartrap Canyon on McCheevey Mtn.; & the same as at Pebblestone Sheet-In, said Walter. The Berros Gorge is rougher rocks - like lava in places, Walter said. The Berros is the roughest country Walter knows of. George Harris saw cavorts in the "Burn- ett country" several times but found no