California Surveyors Forums

http://beerleg.com/index.php

Two posts by Paul Plutae...

"City of Los Angeles - Transferring smh hooks to surface" (2012-04-16)
"Dual Lead & Nails - City of Beverly Hills - the answer" (2012-04-12)

I'm not sure linking directly to the posts will work from here, but that should give you enough info to find those.

Interesting about the dual lead and nails. Without record info how would anyone know.