Assertion: blanket bog | /r/HasProperty | known on subantarctic macquarie island
Facets:
value: as featherbeds
type: MANNER
Source sentences:
text: The blanket bogs known as 'featherbeds' on subantarctic Macquarie Island occur on raised marine terraces; they may be up to 5 m deep, tremble or quake when walked on and can be hazardous to cross.