Disambiguation evidence for Rogue River Athabaskan via surface form

"Upper Coquille Athabaskan"

Triples (1)

Triples where some other subject referred to this entity as "Upper Coquille Athabaskan".

Coquille people → traditionalLanguage →
"Upper Coquille Athabaskan"
↳ resolves to Rogue River Athabaskan
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