Found this on the www.
Make sure to view this in ORIGINAL mode (at bottom of page) so you can see the detail of the city.
Yes, this is Santa Susana in Simi Valley which also inlcuded Simi.
Now the entire area is known as City of Simi Valley. Confused?
Check out the lone tract around Simi High, the water towers without the McDonalds and the houses.
Population in 1968- 30,000. 2011- 125,000.