Hans Geier found this article on western farms by David Frey, “Across the West, More Farms, Less Land, and a Widening Divide”:

The story of farming in the country, and in the West, has become a tale of two farmers. Countering the growth of small farms is a concentration of more and more agriculture in the hands of fewer and fewer mega-farms. The small farms serve a growing niche of farmer’s markets. The giant farms fill the supermarket. The middle is disappearing.