The Snowden family has been stewards of 160 acres in the Vaca mountains of Napa Valley since 1955. With this next generation the Snowden Cousins, Diana, Christian, Susanne and Carey, they are pushing the envelope on eco-conscious packaging: lightweight glass, no metal capsule, a cork closure, recycled paper, eco-friendly ink and a washable label so that the glass bottle can be more easily cleaned and refilled.