Russian River CBC Collaboration Sour Brown

Also known as Russian River 2011 Symposium Sour Brown
Commercial description
Special release for the 2011 Craft Brewers Conference in San Francisco.

This sour brown ale was made by Russian River with Sierra Nevada, using the latter’s Keller Weise yeast for the primary fermentation, and barrel aged with Russian River’s house “bugs and critters” in wine barrels from Fritz Maytag’s York Creek Vineyards.
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Russian River 2011 Symposium Sour Brown

The brewer markets this same or near-same product by more than one names. This can be the result of a brewer distributing this beer under different names in different countries, or the brewer simply changing the name, but not the recipe at different points in time.