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You searched for: Resource Type cartographic Remove constraint Resource Type: cartographic Resource Type still image Remove constraint Resource Type: still image Collection Maps of Los Angeles, California, the United States and the World. Collection 294 Remove constraint Collection: Maps of Los Angeles, California, the United States and the World. Collection 294

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Map of a portion of San Bernardino and San Diego counties, showing the Bear Valley reservoir, its watershed, also the valleys where its waters are to be used, including the Alessandro and Perris irrigation districts