Raynolds Expedition to the Yellowstone and Missouri River headwaters
E291214
The Raynolds Expedition to the Yellowstone and Missouri River headwaters was an 1859–1860 U.S. Army topographical survey that produced some of the earliest detailed scientific and geographic information about the northern Rocky Mountains and the Yellowstone region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Raynolds Expedition to the Yellowstone and Missouri River headwaters canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2690087 — 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: Raynolds Expedition to the Yellowstone and Missouri River headwaters Context triple: [William F. Raynolds, notableWork, Raynolds Expedition to the Yellowstone and Missouri River headwaters]
-
A.
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.
-
B.
Lewis and Clark Expedition
The Lewis and Clark Expedition was an early 19th-century American exploratory journey that mapped and studied the newly acquired western territories, establishing routes and relations that greatly expanded U.S. geographic and scientific knowledge.
-
C.
Granma expedition
The Granma expedition was the 1956 seaborne journey in which Fidel Castro and his followers sailed from Mexico to Cuba to launch the guerrilla war that ignited the Cuban Revolution.
-
D.
Ralph Plaisted expedition
The Ralph Plaisted expedition was a 1968 snowmobile journey that became widely recognized as the first confirmed over-ice surface expedition to reach the geographic North Pole.
-
E.
Vancouver Expedition
The Vancouver Expedition was a late 18th-century British naval voyage led by George Vancouver that extensively charted the Pacific Northwest coast of North America and parts of the Pacific Ocean.
- 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: Raynolds Expedition to the Yellowstone and Missouri River headwaters Target entity description: The Raynolds Expedition to the Yellowstone and Missouri River headwaters was an 1859–1860 U.S. Army topographical survey that produced some of the earliest detailed scientific and geographic information about the northern Rocky Mountains and the Yellowstone region.
-
A.
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.
-
B.
Lewis and Clark Expedition
The Lewis and Clark Expedition was an early 19th-century American exploratory journey that mapped and studied the newly acquired western territories, establishing routes and relations that greatly expanded U.S. geographic and scientific knowledge.
-
C.
Granma expedition
The Granma expedition was the 1956 seaborne journey in which Fidel Castro and his followers sailed from Mexico to Cuba to launch the guerrilla war that ignited the Cuban Revolution.
-
D.
Ralph Plaisted expedition
The Ralph Plaisted expedition was a 1968 snowmobile journey that became widely recognized as the first confirmed over-ice surface expedition to reach the geographic North Pole.
-
E.
Vancouver Expedition
The Vancouver Expedition was a late 18th-century British naval voyage led by George Vancouver that extensively charted the Pacific Northwest coast of North America and parts of the Pacific Ocean.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf |
United States Army expedition
ⓘ
exploring expedition ⓘ topographical survey ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| describedBySource |
United States Army surveyors
ⓘ
surface form:
U.S. Army topographical survey reports
|
| endTime | 1860 ⓘ |
| fieldOfWork |
geography
ⓘ
geology ⓘ natural history ⓘ topography ⓘ |
| hasPart |
geological survey
ⓘ
natural history observations ⓘ topographical survey ⓘ |
| location |
Yellowstone National Park
ⓘ
surface form:
Yellowstone region
headwaters of the Missouri River ⓘ headwaters of the Yellowstone River ⓘ Northern Rocky Mountains ⓘ
surface form:
northern Rocky Mountains
|
| mainSubject |
geography of the northern Rocky Mountains
ⓘ
geology of the Yellowstone region ⓘ hydrology of the Yellowstone and Missouri River headwaters ⓘ |
| notableFor |
being among the earliest detailed surveys of the Yellowstone region
ⓘ
providing early scientific information about the northern Rocky Mountains ⓘ |
| operator |
U.S. Army Corps of Engineers
ⓘ
surface form:
U.S. Army Corps of Topographical Engineers
|
| partOf | United States government surveys of the American West ⓘ |
| pointInTime | 19th century ⓘ |
| purpose |
geographic reconnaissance
ⓘ
mapping of the northern Rocky Mountains ⓘ scientific exploration ⓘ |
| significantEvent | early scientific exploration of the Yellowstone region ⓘ |
| significantOutcome |
collection of early scientific data on Yellowstone
ⓘ
increased geographic knowledge of the upper Missouri River ⓘ increased geographic knowledge of the upper Yellowstone River ⓘ production of detailed maps of the northern Rocky Mountains ⓘ |
| startTime | 1859 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Raynolds Expedition to the Yellowstone and Missouri River headwaters Description of subject: The Raynolds Expedition to the Yellowstone and Missouri River headwaters was an 1859–1860 U.S. Army topographical survey that produced some of the earliest detailed scientific and geographic information about the northern Rocky Mountains and the Yellowstone region.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
William F. Raynolds
→
notableWork
→
Raynolds Expedition to the Yellowstone and Missouri River headwaters
ⓘ