Editorial Reviews - Communities in the Sonoran Desert From the Publisher Chapters: Phoenix, Arizona, Tucson, Arizona, Yuma, Arizona, Calexico, California, Palm Desert, California, Blythe, California, Nogales, Arizona, East Blythe, California, Indio, California, La Quinta, California, Desert Hot Springs, California, El Centro, California, Lake Havasu City, Arizona, Big River, California, Coachella, California, Brawley, California, Ehrenberg, Arizona, Three Points, Arizona, Green Valley, Arizona, Flowing Wells, Arizona, Santa Rosa, Arizona, Cathedral City, California, Winterhaven, California, Ajo, Arizona, Palo Verde, California, Casas Adobes, Arizona, Amado, Arizona, Pisinemo, Arizona, Vail, Arizona, Valencia West, Arizona, Desert Shores, California, Bombay Beach, California, Sonoita, Arizona, Cibola, Arizona, South Tucson, Arizona, Tumacacori-Carmen, Arizona, Quartzsite, Arizona, Catalina Foothills, Arizona, Corona de Tucson, Arizona, Drexel Heights, Arizona, Picture Rocks, Arizona, Summit, Arizona, Drexel-Alvernon, Arizona, Sahuarita, Arizona, East Sahuarita, Arizona, Marana, Arizona, Westmorland, California, Imperial, California, Tanque Verde, Arizona, Elgin, Arizona, Sells, Arizona, Bouse, Arizona, Littletown, Arizona, Oro Valley, Arizona, Parker, Arizona, Tubac, Arizona, Poston, Arizona, Tortolita, Arizona, Avra Valley, Arizona, Catalina, Arizona, Tucson Estates, Arizona, Coachella Valley Enterprise Zone, Desert Center, California, Los Algodones, Baja California, North Shore, California, Vidal, California, Tonopah, Arizona, Chiriaco Summit, California, Ripley, California, Summerhaven, Arizona, Lukeville, Arizona, Troon, Arizona, Rillito, Arizona, Ambos Nogales. Excerpt: Ajo (pronounced English pronunciation: /ho/ AH-hoe ) is a census-designated place (CDP) in Pima County , Arizona , United States . The population was 3,705 at the 2000 census. Ajo is locat... Synopsis Chapters: Phoenix, Arizona, Tucson, Arizona, Yuma, Arizona, Calexico, Cal