Does Dry Creek Vineyard Need Four Sauvignon Blancs?

Most wineries in California are content to produce one sauvignon blanc wine. Some offer a "regular" sauvignon blanc and a

"reserve" bottling. And a few make (or attempt to make) a distinction between a sauvignon blanc style and a so-called fumé blanc style. Only Dry Creek Vineyard, as far as I can tell, produces four wines from the sauvignon blanc grape.

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