Tags: alison,arizona,coronado national forest,huachuca mountains,mark,mount wrightson wilderness,mt wrightson wilderness,nogales ranger district,santa cruz county,united states

Tags: arizona,bill,coronado national forest,huachuca mountains,mount wrightson wilderness,mt wrightson wilderness,nogales ranger district,santa cruz county,united states

Tags: 88 mac,arizona,coronado national forest,huachuca mountains,mount wrightson wilderness,mt wrightson wilderness,nogales ranger district,santa cruz county,united states

Tags: 88 mac,alison,arizona,bill,coronado national forest,huachuca mountains,mark,mount wrightson wilderness,mt wrightson wilderness,nogales ranger district,santa cruz county,united states

A 1957 study by Joe Marshall that surveyed birds in the Pine-Oak Woodland in a number of Southern Arizona and Mexican mountain ranges that would later be known as Sky Islands.
Tags: birds,chiricahua mountains,huachuca mountains,madrean archipelago,peloncillo mountains,pinaleno mountains,research,santa catalina mountains,santa rita mountains,sky island