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The mortar and pestle is generally related to the processing of the acorn as a food resource. However, the use of manos and metates continues unabated, so the introduction of the mortar and pestle indicates utilization of acorns as a supplemental food resource rather than as a replacement for 'other food. Projectile points become much smaller during the Intermediate, probably indicating the first use of the how and arrow in the area. The Intermediate also saw the first use of steatite in the area. Steatite is a soft, easy to work substance and was used for a variety of purposes, ranging from cooking utensils to personal decorative items. The steatite was imported from Santa Catal�r +a Island, proof that the population had mastered local ocean travel. The final phase of native culture is known as the Late Prehistoric Period, and it began in the area around A.D. 750. The Late Period is characterized by changes in mortuary practices and by dramatic increase in the use of shell for decoration and functional fools. Projectile points become smaller still and are generally more finely worked than in the pre - ceeding era. Pottery appeared in some quantity near the end of the period. The local chronology, as it is presently understood, is surrrarized it Table 1, page 14. The above description and Table 1 are based primarily on KDeyper and Drover {1923)_ AAchaeotogic w ch: On 01-3 duly 1983 a literature review was accomplished at the Archaeological Survey, University of California, Los Angeles, the repository of archaeological data for Orange County. The literature review established that the project area has never been examined for archaeological remains and that no archaeological situ have been recorded in the immediate vicinity. Most of the area had been built -up prior to the introduction of requirements for pre - construction archaeological mitigation. %rin the fie3d ward for this project, primarily on 22, 24 and 25 July 1985, all open areas fronting on Bristol Street were examined for archaeological remains. Two construction excavations were also examined. These areas amounted to approximately 5% of the total street frontage, aid all were highly disturbed. No archaeological remains were found. Due to the lack of prior research iu the area and the present extensive construction, an evaluation of the archaeological sensitivity of the area lw