Disambiguation evidence for Keweenaw copper mining district via surface form
"Keweenaw County mining area"
Triples (1)
Triples where some other subject referred to this entity
as "Keweenaw County mining area".
Lake Superior copper district
→
contains
→
"Keweenaw County mining area"
ⓘ
↳ resolves to Keweenaw copper mining district