9000 Years of Prehistory at Diablo Canyon, San Luis Obispo County, California. Roberta S. Greenwood. With an appendix entitled "Fish Remains, Primarily Otohths, from a Coastal Indian Midden (SLo- 2) at Diablo Cove, San Luis Obispo County, California," by John Fitch. San Luis Obispo, California: San Luis Obispo County Archaeological Society Occasional Paper No. 7. 1972. ix & 120 pp. and 38 figs. $5.00.