Assertion: shell mound | /r/CapableOf | range up to 10 metres
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Source sentences:
text: Shell mounds near Weipa in far north Queensland that are mostly less than 2 metres (6.6 ft) high (although ranging up to 10 metres (33 ft) high) and a few tens of metres long are claimed to be middens, but are in fact shell cheniers (beach ridges) re-worked by nest mound-building birds.