Assertion: owl's foot | /r/HasProperty | 21–2,012 m
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Source sentences:
text: Spotted owls can be found at elevations of 70–6,600 feet (21–2,012 m) for the northern subspecies, at 1,000–8,500 feet (300–2,590 m) for the California subspecies, and rather higher (6,000–8,500 feet (1,800–2,600 m)) for the Mexican spotted owl.