Sierra Madre Occidental 1
Yucatan Peninsula 2
Baja California 3
F E G D Gulf of California
F E G D Gulf of Mexico
F E G D Bay of Campeche
Mexico City
Guadalajara
Mazatlan
Mexicali
Tijuana
Cuidad Juarez
El Paso
Eagle Pass
Laredo
K Conchos RiverZ L w
Chihuahuan Desert
Sierra Madre del Sur
McAllen
Piedras Negras 23
Reynosa
Brownsville 23
Tampico 23
Veracruz
Sierra Madre Oriental
Acapulco
Monterrey
Saltillo
Matamoros
Puebla 23
Calexico 23
F E G D Pacific Ocean
Chihuahua
Isthmus of Tehuantepec
Sonoran Desert