File:Arizona+Territory+1871.jpg

Summary
14 Feb 1871 - Arizona created Maricopa County from land in Yavapai County. This county named for the Maricopa Indians. 18 Feb 1871 - Arizona discontinued Pah-Ute County. In effect, withdrawing claim to the southeastern corner of Nevada after exhausting all legal recourse. The remnant of Pah-Ute County still in Arizona was returned to Mohave County