title: Dhowr iyo toban cagaha dinosaur ee ku yaal xeebta Alaska waxay muujinayaan in xeebaha ay mar ahaayeen meelo caan ah oo ay ku tuntaan hadrosaurs - oo loo yaqaan 'caribou of the Cretaceous'
abstract: Toddobaatan iyo shan wadooyin leh boqolaal cagaha ayaa laga helay meelaha fog fog ee loo yaqaan Aniakchak National Monument iyo Preserve ee koonfurta-galbeed ee Alaska 20-kii sano ee la soo dhaafay.