A.C. Brooks 1958 Journal Brooks Island, S.F., Contra Costa Co., Cal. Mar 2 Went to Rio Rock & Brooks with Max Moe, Paul Anderson of MVZ & Max Moe, Joel Smith of AMNH. Last found post of turtle plastron on Rio Rock Beach - given to Dick Beaman of our Herb. Dept. for identification. Also found fish vertebrae & 2 Driftwood Sxaxes. On Brooks the Smiths found a people on top of ground off extreme point at NE end of Island - same spot that yielded a skeleton to me last Fri P. Paul Anderson found a partial Skeleton at spot where Paul had seen a few ribs exposed a week or so ago. I dug it out & marked my # 1027, Paul found a quartz xtra (chipped on an edge?) on beach at spot where he had found skeleton with other artifacts a few weeks ago. I found a (waste?) obsidian fragment with chips taken out of it on the beach at N end of same mound where the skeletons were found. Fish vert. from Rio Rock was fairly fresh & was identified as Striped Bass (Roccus saxat- ilis) fam. Scraeniche. Al Jones at Zoo Div. took it over to Calif. Acad. of Sci. in S.F. to have it identified. In mound at Brooks Got (old) "tooth(?)" plate with mass of corn- cobner - like teeth set on it. Identified