Upper Ordovician
preferred label: اردویسین فوقانی @fa
type: Concept
narrower: Utica Shale

Michigan
preferred label: میشیگان @fa
type: Concept
related: Utica Shale

New York
preferred label: نیویورک @fa
type: Concept
related: Utica Shale

Utica Shale
related: Michigan
related: New York
related: Ontario
broader: Upper Ordovician
preferred label: شیل یوتیکا @fa
type: Concept

Ontario
preferred label: اونتاریو @fa
type: Concept
related: Utica Shale