Biosphere Reserve of the, MEX/Pinacate & Gran Desierto Altar, Sonora Mexico. Cerro Colorado (volcanic cinder cone) in morning light. 1193h6X96

Biosphere Reserve of the, MEX/Pinacate & Gran Desierto Altar, Sonora Mexico. Sierra Hornaday Mountains with morning fog pouring through passes. 1193h6X92

Biosphere Reserve of the, MEX/Pinacate & Gran Desierto Altar, Sonora Mexico. Sierra Hornaday, distant right and several un-named volcanos rise through morning fog.1193h6X9+3du