owner of a mountain
Refers to the person or entity that owns a mountain, often in legal or traditional contexts.
The owner of this mountain is the local shrine.
proprietor of a mine
Used for the owner or operator of a mine, typically in historical or industrial contexts.
The proprietor of the mine in this area once operated a copper mine.
Formed from 山, “mountain,” and 主（ぬし）, “owner or proprietor.”