Northwest Territories
preferred label: سرزمینهای شمال غربی @fa
type: Concept
related: Isachsen Formation

Lower Cretaceous
preferred label: کرتاسه زیرین @fa
type: Concept
narrower: Isachsen Formation

Isachsen Formation
related: Northwest Territories
broader: Lower Cretaceous
preferred label: سازند ایساکسن @fa
type: Concept