Snow storm, Hills, Iowa (2004)

For all the punditry about lily-white Iowa, the survival of its small towns is increasingly dependent on Mexican and other Latin American immigrants. A town like West Liberty, just southeast of Iowa City, is now more than 40 percent Hispanic—many drawn by the railroad in the 1920s and now by West Liberty Foods, a meat-processing plant that slaughters more than 20,000 turkeys per day.