Yesterday, our group toured the Columbia Crest Winery (about 25 miles from Prosser). 9 acres of underground wine cellars and over 50,000 barrels of both white and red wines are stored there. Quite an experience to see the barrels stacked rows, upon rows. They are gearing up for this year's grape harvest that will be later this year, due to the cooler weather. The time limit for picking the grapes on 12,000 acres is usually only about 30 days. The winery employs a staff of 165 year round, but during the harvest, the employee count triples. This winery is only one of around 85 that are in the area.
I'm not a wine drinker, but did manage to taste several and actually bought some to take with us on our adventure to the midwest.
Updates to follow: