Exhibit 4-5_55A_HPSR - Laserfiche WebLink

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Mission San Gabriel. The name the native population used to identify itself is nut known Wreeber 17251. The date of the earliest human occupation of the study area is disputed, but most scholars would agree that a human presence was established along the southern California coast by 7500 B.C. The artifactual record left by these early people indicates that they subsisted primarily by hunting. The tools they left are generally quite large and the bulk of then are chipped iithic toolss such as projectile paints and scrapers, or the remains of chipped tool manufacture, such as flakes and cores. Many of the projectile points are finely reader while most of the other tools are crude. This era is known locally as the Early Man e'er vud , The millennium centered around 5500 P.C. reveals a major shift in the artifactual record. The large, finely made projectile points of the earlier period give way to somewhat smaller and more crudely made points. Grinding tools for the processing of hard seeds become the predominant artifact types. These grinding implements are known as manQS, the smaller hand held stone, and metates, the larger tools against which the seeds were ground. Thu metates often display deep baairrs. The appearance of rungs and metates is generally interpreted as a major shift In subsistenne strategy, with a decreased dependence on animal resources and an increased dependence on the gathering of wild seeds. However, this shift may not pe as pronounced as originally thought. Recent work igdicates that hunting cQnK noed to be relativelY important (Drover, Konrper and LangRnwalter 1733). This second era of the local arthaeelcgical sequence is known as the Millirg Stone Period. Locally, the Milling Stone Period persisted until about 1000 B.C., when a new tool combination, the mortar and pestle, was introduced. These new tools ushered in the Intermediate Cultures Period. The mortar and pestle is generally related to the processing of the acorn as a fQad resource. However, the use of mano5 and metates continued unabated, sp the introduction of the mortar 11