You could try calling Ernie's Casting Pond (a fly shop with an odd name) in Santa Cruz and see if they have any info. You can find their contact info on their web site:

[url=http://www.ernies.com/:a34cb]http://www.ernies.com/[/url:a34cb]

Make sure you have a CA fishing license (you can get a 2-day non-resident one if I'm not mistaken).