Colonel Benjamin Bonneville was in command which entered the frontier going west from Fort Fillmore, New Mexico, across the desert where they engaged in two small but significant battles in the Black Range and along the Gila River near present day Safford, Arizona.
Colonel Benjamin Bonneville was in command. This command entered the frontier. This frontier was going west from Fort Fillmore across the desert where they engaged in two small but significant battles in the Black Range and along the Gila River near present day Safford. Present day Safford were Arizona. Fort Fillmore was New Mexico.