Since it relies on people emailing them the places, yeah, I would imagine it would change. It is easy enough to find in your local phone directory, though.
In California, many Albertson's markets carry it. In Reno it is also available at the Crystal Ice company just up the street (4th st. I believe)from the Albertson's at Keystone where many burners stop to stock up.
Pabst Blue Ribbon - The beer that made Gerlach famous.