Assertion: spillway weir | /r/HasProperty | altered by the construction
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Source sentences:
text: After construction was complete and the dam had filled, the spillway weir was altered by the construction on the western side of the stream of a concrete channel approximately 2,000 feet (609.7m) long and 120 feet (36.6m) wide, widening to 432 feet (131.7m) at the discharge weir.