Cusihuiriachic, Chihuahua, Mexico
Guanacevi, Durango, Mexico, 220m
Huasteca Canyon, Coahuila, Mexico
Moctezuma, Sonora, Mexico, 800-1200m
Kimble County, Texas, USA
Marathon, Brewster County, Texas, USA
West of Muzquiz, Coahuila, Mexico
Coahuila, Mexico
Coke Co, Texas, USA
Buenaventura, Chihuahua, Mexico
San Juan Capistrano, Zacatecas, Mexico
Rio Nazas, Durango, Mexico
Ascencion, Nuevo Leon, Mexico
Kerr County, Texas, USA
Hidalgo County, New Mexico, USA
Sierra Obscura, Chihuahua, Mexico, 1800m
Terlingua, Brewster County, Texas, USA
La Boca, South of Monterrey, Nuevo Leon, Mexico, 350m
Taos County, New Mexico, USA
Los Pinos, Valencia County, New Mexico, USA