I dunno much about it, other than the parks system has been in flux for the last half year awaiting clarity on their budget and revised mission. Here's the Parks & Rec announcement:

http://www.parks.ca.gov/?page_id=737

I see the reservation system itself is provided by a vendor:

http://www.reserveamerica.com/campgroundDirectoryList.do?contractCode=ca

Sad thing is the entire parks budget is a fraction of a percent of the state budget. They're being used as a high-profile prop by the administration and legislature.
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--Rick