Based on the high point of Mt. Graham and the lowpoint of the Gila River, the total relief is 2,385m.
The total relief is the difference between the highest point in an area, and lowest points.
The elevation of Mt. Graham is 3,269m. The lowest point of the Gila River is 884m.
The total relief is:
= 3,269 - 884
= 2,385m
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