Disambiguation evidence for Isle Royale Mine (on Keweenaw Peninsula) via surface form

"Isle Royale Mine (on Keweenaw Peninsula)"

Triples (1)

Triples where some other subject referred to this entity as "Isle Royale Mine (on Keweenaw Peninsula)".

Keweenaw copper mining district → contains →
"Isle Royale Mine (on Keweenaw Peninsula)"
ⓘ