there was the South Park from which it stole its name... forty blocks
south, between 49th/51st streets and S. San Pedro St./Avalon Blvd.:
LAPL
http://jpg2.lapl.org/pics01/00010010.jpg
Google Street View
The quadruple rows of palms are still mostly intact.
http://www.csulb.edu/~odinthor/socal6.html