A.R.S. § 41-836

It is unlawful for a public officer, department, agency or employee to change and record in writing or otherwise in any public records, documents or papers of this state the name of a place of historical significance or mountain, canyon, gulch, stream, streambed or channel, whether flowing or dry, mesa, desert, forest, spring, water hole, bridge, either natural or artificial, cliff, chasm, dam, lake, either natural or artificial, park, mining district, monument, either natural or artificial, road, trail or other natural or artificial geographic feature in this state unless the change has first been approved by the board.