I bought my first Celebration of the year on Friday (I think they changed the recipe
) and was wondering whether it was from Chico or the new brewery in Mills River. After some poking around on their web site, I found thishttp://www.cdn.sierranevada.com/sites/default/files/content/wysiwyg/SNBC_ALL_DATE_CODES_2014.pdf
(6.6 MB PDF)
There's a code sprayed on the bottles that includes a C for Chico and an M for Mills River. It's pretty much impossible to read unless you shine a light into an empty bottle. My Celebration came from Chico, bottling line 2. The carrier didn't have all of the codes they list there, though.
The beer itself is excellent again. I look forward to this release more than any other seasonal.
*edit to correct a howling geographical error