The University of Arizona Press

Roger Dunbier, whose special areas of interest include arid and urban land utilization and the economics of underdevelopment, has drawn upon extensive personal research and travel in Northwest Mexico and Arizona in preparing this volume. He holds the Doctor of Philosophy degree from Oxford University as well as the B.A. in geography, the latter earned while holding a Marshall Scholarship. He is a summa cum laude graduate of the University at Omaha, where he served on the faculty for three years, and has traveled in more than twenty-five countries. More recently, he has lived in Phoenix, Arizona, where he has developed numerous computer programs centered mainly about the storage and retrieval of geographical information, including the production of maps directly by computer.