sentences:  To the east, in the Colorado Desert, the Tizon Brown Ware pottery made by the Luiseño was replaced by the Lower Colorado Buff Ware and Salton Brown Ware of the Patayan Complex.To the south, True made detailed archaeological comparisons between the San Luis Rey Complex and the Cuyamaca Complex, produced by the Luiseño's linguistically unrelated but culturally similar neighbors, the Kumeyaay.Perhaps the strongest distinction found by True was between the roughly equal frequencies of Desert Side-notched and Cottonwood Triangular points in the Cuyamaca Complex and the scarcity of Desert Side-notched points in the San Luis Rey Complex.