Ludlowville Formation
type: Concept
broader: Middle Devonian
preferred label: سازند لودلوویل @fa
related: Hamilton Group
related: New York

Hamilton Group
type: Concept
preferred label: گروه هامیلتون @fa
related: Ludlowville Formation

Middle Devonian
type: Concept
narrower: Ludlowville Formation
preferred label: دونین میانی @fa

New York
type: Concept
preferred label: نیویورک @fa
related: Ludlowville Formation