much of New Mexico and Arizona is plateaus and mountains. So the mountain ranges are separated by basin
The Pueblos lived in the American Southwest from the eighth century A.D. Pueblo groups in lived in the area that is now called northern Arizona and New Mexico. Read more: Pueblo Indians - http://www.everyculture.com/North-America/Pueblo-Indians.html#ixzz1b3LUkEZ2
there id actually 4 the Colorado Region, Basin and Range Region, Rocky mountain region,& the Great Plains Region
New Mexico has four main land regions. These are the Rocky Mountains, the Great Plains, the basin and range, and the Colorado Plateau.
There is not one that is directly above Mexico there are three. West, Middle, and Southwest
Arthur L. Geldon has written: 'Hydrologic Properties and Ground-Water Flow Systems of the Paleozoic Rocks in the Upper Colorado River Basin in Arizona, Colorado, New Mexico, Utah (U.S. Geological Survey Professional Paper, 1411-B)' 'Geology of Paleozoic Rocks in the Upper Colorado River Basin in Arizona, Colorado, New Mexico, Utah, and Wyoming, Excluding the San Juan Basin (Regional ... Analysis--Upper Colorado River Basin)'
the first one is the Colorado plateau the second one is The basin and Range region the third is the transition
The Chihuahuan is in New Mexico Great Basin in Nevada, Utah, Idaho, and Oregon Mojave in Nevada, California and Utah Sonoran in California and Arizona
New Mexico can be divided into four main geographical regions: the Rocky Mountains in the north, the Great Plains in the east, the Basin and Range region in the south, and the Colorado Plateau in the northwest. Each region has its own unique landscape and characteristics.
Colorado Plateau, Great Basin & Rocky Mountain region
Some major cities in the Basin and Range region include Las Vegas, Nevada; Phoenix, Arizona; Salt Lake City, Utah; and Reno, Nevada. These cities are located within the geological basin and range province known for its distinctive topography of alternating mountain ranges and valleys.
Gulf of Mexico
Amazon River basin region