The exact nature of the royal emissary's mission was never revealed but may have involved leaked claims of silver being found in northern Sonora.

In the west of the range at the Pajarito Wilderness, a water divide makes some drainages flow south into northern Sonora.

In Mexico, it is mostly confined to northern Sonora and Chihuahua.

Mashbir's duties included mapping roads, trails and waterholes in northern Sonora.

In Arizona the range extends south towards northern Sonora.

By then, Reichel had become the most recognized reporter in northern Sonora.

They attacked a rancho in northern Sonora, killing several of the inhabitants.

He ranged northern Sonora, a solitary figure, grim, terrible.

These reports provide an excellent source of information on the exploration of northern Sonora.

It is found in south-eastern Arizona and south into northern Sonora, Mexico.