The Battle of Arizona Spillway was an event that took place some time after the Battle of Willow Beach and was part of the attempt to rid the east side of the Colorado River of the NCR.
Background
After the fall of Willow Beach in the Colorado River, Caesar's Legion attacked the New California Republic military camp at Arizona Spillway. As a result of the battle, the camp was destroyed. The battle gave the Legion complete control of all territory east of the Colorado River.[1]