On January 30, 2019, The New York Times reported that "The United States Bureau of Reclamation estimates that the Colorado River's watershed could face an annual shortfall of 3.2 million acre-feet by midcentury. That's 1.04 trillion gallons, almost half what Arizona uses per year." (a) Verify the volume conversion between acre-feet and gallons.

On January 30, 2019, The New York Times reported that "The United States Bureau of Reclamation estimates that the Colorado River's watershed could face an annual shortfall of 3.2 million acre-feet by midcentury. That's 1.04 trillion gallons, almost half what Arizona uses per year." (a) Verify the volume conversion between acre-feet and gallons.

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