Guymon (note spelling) is a town of about 11,000, employment highs in food processing and agriculture. Over 38% 0f the population is Hispanic, 20% not born in the States.

A little more on the switchgrass project, funded by the Noble Foundation. It is a project of the Oklahoma Bioenergy Center, the Universities of Oklahoma and Oklahoma State. It will take three years for 100% crop harvest. Abengoa Bioenergy of Hugoton, Kansas, will complete the refinery for for bio fuels in 2010.
At first, there will be some irrigation to insure that they get a crop which can be experimented with.

The Castleman article, linked previously, discusses cellulosic use.