Assertion: rain | /r/CapableOf | fall in the united states
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Source sentences:
text: As a final limit, if all the rain that fell in the United States (an area of 9.62 x 1012 m2 and depth of 76.2 cm) was passed over a structure the height of the dam, a total of 3.4 x 1012 kWh could be produced.