3. Determine the 100 year flow of a 70 square mile watershed in Region 12 of Arizona at an elevation of 3500 feet. Comment on its accuracy, that is what are the upper and lower error estimates in terms of cubic feet per second.

Q: 40 76 52 80 133 200 227 533 800 1067 2000 2667 3200 the stage for a discharge of 3500 cms.

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