Affiliation: | 1. Mr. Finn, Ms. Fernandez, and Ms. Sutton are graduate students in geography and urban planning at Arizona State University, Tempe, Arizona 85287.;2. Dr. Arreola is a professor of geography.;3. Dr. Allen is an assistant professor of geography and environmental sciences at the University of Colorado, Denver, Colorado 80217.;4. Ms. Smith is a graduate student in human evolution and social change at Arizona State University, Tempe, Arizona 85287. |