Disambiguation evidence for 1871 Yellowstone expedition via surface form
"Hayden Geological Survey of 1871"
Triples (1)
Triples where some other subject referred to this entity
as "Hayden Geological Survey of 1871".
Washburn–Langford–Doane Expedition
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followedBy
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"Hayden Geological Survey of 1871"
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↳ resolves to 1871 Yellowstone expedition