Ya you're correct molson! Just looking, everything says Oct 08, 2012, but yet that update you mention was a NR from Nov 04, 2012?
It would be nice to see an revised date for sure on the answers!
Also, very interesting the paragraph mikxx1 cut & paste as well. PIMA looks as though it is used, but then why wouldn't it be? Hopefully that answer gets updated as well!
They have pictures as well on the homepage of some manual pan assays to estimate gold content in the field.
And of course from the homepage: "The Redder the Better"