Assertion: peak's elevation | /r/HasProperty | about 99 metres
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Source sentences:
text: The Niagara River Here are some of the numbers to answer some of the most frequently asked questions about the Niagara River, which runs a total of 58 kilometres (36 mi.) from Lake Erie to Lake Ontario: The elevation between the two lakes is about 99 metres (326 ft.), half occurring at the falls themselves