Original sentence: In 1947,  that comprised the heart of the Baldwin Ranch were deeded to the State of California and the County of Los Angeles, to be developed into what is today the beautiful Los Angeles County Arboretum and Botanic Garden
Edited sentence: In 1947,  that comprised the heart of the Baldwin Ranch were deeded to the State of California and the County of Los Angeles, and developed into Los Angeles County Arboretum and Botanic Garden