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and pestle indicates utilization of acorns as a supplemental food resource rather than as a replacement for other resources. Projectile points become much Smaller during the Intermediate, probably indicating the first use of the bow and arrow in the study area. The Intermediate also saw the first iooal Use Of steatite. Steatite is a soft, easy to work material and was used for a wide variety of purposes, ranging from cQoking utensils to items of personal decoration. The steatito was imported from Santa Catalina Island, proof that the Intermediate people had mastered local open ocean travel. The final phase of native culture is known as the Late PrehistOric Period, and it began around A.D. 750. The Late Period is charanterized by changes in mortuary practices end by rather dramatic incrwaay in the use cf shell for decoration and funntional tools. Projectile points become smaller still and are generally more finQly Worked than in the prUEUdprig era. Pottery appeared in 5omw quantity near the end of the period. The local chronology, a5 it is presently understood, is summarized in Table 1. which appears on the following page. The above description and Table 1 are based primarily on Koe3rper and Drover (1983). ArChaeologival Research: On 14 October IQ96 a literature review was accomplished at the Archaeological Gurvey, University of Califormlap Las Angeles, the repository of archaeological data for orange CQuntyr. the records of the Anthropology Muve"m, california State University, Fullerton hau been prevsQu5ly examined. the literature revIeW established that the study area had never been examined for archaeological remains and that no aFahaeclogical sites had been recorded in the immediate vicinity. Essentially all of the study area had been built -up prior to the introduction of requirements for pre - construction archaQOlogical mitigation. During the field work for this pr-o juct a L 1 open 80035 frontinq on Bristol Streek wsre examined far archaeological reMelns. Such area amounted to approximately % of the total 12