New Mexico Bootheel

New Mexico's Bootheel comprises the southwestern corner of New Mexico. As part of the Gadsden Purchase it is bounded on the east by the Mexican state of Chihuahua along a line at 31°47′0″N 108°12′30″W / 31.78333°N 108.20833°W / 31.78333; -108.20833 extending south to latitude 31°20′0″N at 31°20′0″N 108°12′30″W / 31.33333°N 108.20833°W / 31.33333; -108.20833. The bootheel's southern border is shared between the Mexican States of Chihuahua and Sonora along latitude 31°20′0″N, while the western border with Arizona is along meridian 109°03′0″W at 31°20′0″N 109°03′0″W / 31.33333°N 109.05000°W / 31.33333; -109.05000, bounding an area of 50 by 30 miles (48 km) and comprising 1,500 square miles (3,900 km²).