Abstract Rancho Las Posas and Rancho Simi were both Mexican land grants that were owned by the de la Guerra y Noriega family of Santa Barbara. They cover large portions of present-day Camarillo, Moorpark, Simi Valley, the Oxnard Plains, and western Los Angeles County. Much of the land in this area was eventually purchased by Pennsylvania-based railroad executive and businessman Thomas A. Scott. Thomas R. Bard moved west to manage Scott’s holdings in California and would later come to own much land in...