Assertion: alaskan malamute's dog | /r/ObjectUse | used in the arctic
Facets:
value: for at least 9,000 years
type: TEMPORAL
Source sentences:
text: Sled dogs have been used in the Arctic for at least 9,000 years and were important for transportation in Arctic areas until the introduction of semi-trailer trucks, snowmobiles and airplanes in the 20th century, hauling supplies in areas that were inaccessible by other methods.