The Gila Wilderness area is a large portion of land in: southwest New Mexico Arizona produces about _____% of the nation's copper. 60 The _____ Rim is the southern edge of the Colorado Plateau in much of Arizona. Mogollon The Sonoran Desert has the greatest amount of _____ for any desert in the world. Vegetation Long-distance canals carrying water from the Colorado River reach as far as _____ (in southern California) and _____ (in southern Arizona). Riverside/ Tucson The nickname for the high-tech sector of the Phoenix metro area is Silicon: Desert The Grand Canyon Skywalk (similar to the Columbia Icefield Skywalk in Jasper National Park) is: in the Grand Canyon, but not in Grand Canyon National Park (on an Indian Reservation near the park's boundaries) The mountains in and around _____ National Park are the northern end of Mexico's Sierra Madre Oriental range. Big Bend Which of the following "twinned" cities (or bi-national cities), located on the Rio Grande, is the most significant in terms of population and as a border crossing point? El Paso-Ciudad Juarez The 2 states with the largest amount of land in the Colorado Plateau are: Arizona and Utah Which Colorado Plateau National P