Steptoe Expedition
E1571575
UNEXPLORED
The Steptoe Expedition was an 1858 U.S. Army campaign led by Lieutenant Colonel Edward J. Steptoe in the Pacific Northwest that culminated in a significant defeat by Native American forces near present-day Rosalia, Washington.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Steptoe Expedition canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T23102070 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Steptoe Expedition Context triple: [Edward J. Steptoe, notableWork, Steptoe Expedition]
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A.
Washburn–Langford–Doane Expedition
The Washburn–Langford–Doane Expedition was an 1870 exploratory survey of the Yellowstone region whose reports helped lead to the creation of Yellowstone National Park.
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B.
Stephen Harriman Long expedition
The Stephen Harriman Long expedition was a U.S. government-sponsored early 19th-century exploratory journey that surveyed the Great Plains and Rocky Mountain regions, significantly shaping American geographic and scientific understanding of the West.
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C.
Powell Geographic Expedition
The Powell Geographic Expedition was a pioneering 19th-century American exploration led by John Wesley Powell that conducted the first scientific surveys and navigations of the Colorado River and the Grand Canyon.
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D.
Powder River Expedition
The Powder River Expedition was an 1865 U.S. Army campaign against Plains tribes in present-day Wyoming and Montana, aimed at securing overland travel routes and asserting federal control in the northern Great Plains.
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E.
Second Grinnell Expedition
The Second Grinnell Expedition was an 1853–1855 American Arctic voyage led by Elisha Kent Kane that searched for the lost Franklin expedition and made important geographic and scientific discoveries in the high Arctic.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Steptoe Expedition Target entity description: The Steptoe Expedition was an 1858 U.S. Army campaign led by Lieutenant Colonel Edward J. Steptoe in the Pacific Northwest that culminated in a significant defeat by Native American forces near present-day Rosalia, Washington.
-
A.
Washburn–Langford–Doane Expedition
The Washburn–Langford–Doane Expedition was an 1870 exploratory survey of the Yellowstone region whose reports helped lead to the creation of Yellowstone National Park.
-
B.
Stephen Harriman Long expedition
The Stephen Harriman Long expedition was a U.S. government-sponsored early 19th-century exploratory journey that surveyed the Great Plains and Rocky Mountain regions, significantly shaping American geographic and scientific understanding of the West.
-
C.
Powell Geographic Expedition
The Powell Geographic Expedition was a pioneering 19th-century American exploration led by John Wesley Powell that conducted the first scientific surveys and navigations of the Colorado River and the Grand Canyon.
-
D.
Powder River Expedition
The Powder River Expedition was an 1865 U.S. Army campaign against Plains tribes in present-day Wyoming and Montana, aimed at securing overland travel routes and asserting federal control in the northern Great Plains.
-
E.
Second Grinnell Expedition
The Second Grinnell Expedition was an 1853–1855 American Arctic voyage led by Elisha Kent Kane that searched for the lost Franklin expedition and made important geographic and scientific discoveries in the high Arctic.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Colonel Edward J. Steptoe