Pike expedition to the headwaters of the Mississippi River

E363927

United States military expedition exploratory expedition

The Pike expedition to the headwaters of the Mississippi River was an early 19th-century U.S. exploratory mission led by Zebulon Pike to locate the river’s source and assess the northern Louisiana Purchase region.

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All labels observed (3)

Label	Occurrences
Pike expedition to the American Southwest	2
Pike expedition to the headwaters of the Mississippi River canonical	1
Pike’s 1805–1806 Mississippi expedition	1

How this entity was disambiguated

This entity first appeared as the object of triple T3503705 — 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: Pike expedition to the headwaters of the Mississippi River
Context triple: [Zebulon Pike, notableWork, Pike expedition to the headwaters of the Mississippi River]

A. 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.
B. 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.
C. Raynolds Expedition to the Yellowstone and Missouri River headwaters
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.
D. McClure expedition
The McClure expedition was a mid-19th-century British Arctic voyage led by Robert McClure that is credited with the first traversal of the Northwest Passage, albeit partly by sledge over ice.
E. 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.
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: Pike expedition to the headwaters of the Mississippi River
Target entity description: The Pike expedition to the headwaters of the Mississippi River was an early 19th-century U.S. exploratory mission led by Zebulon Pike to locate the river’s source and assess the northern Louisiana Purchase region.

A. 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.
B. 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.
C. Raynolds Expedition to the Yellowstone and Missouri River headwaters
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.
D. McClure expedition
The McClure expedition was a mid-19th-century British Arctic voyage led by Robert McClure that is credited with the first traversal of the Northwest Passage, albeit partly by sledge over ice.
E. 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.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	United States military expedition ⓘ exploratory expedition ⓘ
alsoKnownAs	Pike expedition to the headwaters of the Mississippi River ⓘ surface form: Pike’s 1805–1806 Mississippi expedition Pike’s first expedition ⓘ
commandStructure	United States Army ⓘ
commissionedBy	United States Army ⓘ
country	United States of America ⓘ surface form: United States
departureLocation	Fort Bellefontaine ⓘ near St. Louis, Missouri ⓘ
destination	headwaters of the Mississippi River ⓘ
documentedIn	journals of Zebulon Pike ⓘ
endDate	1806-04-20 ⓘ
hasCommanderRank	Lieutenant ⓘ
hasParticipant	United States Army personnel ⓘ surface form: U.S. Army soldiers Zebulon Pike ⓘ
historicalContext	followed the Lewis and Clark Expedition in time ⓘ
impact	contributed to U.S. knowledge of the upper Mississippi Valley ⓘ supported U.S. claims in the northern Louisiana Purchase ⓘ
interactedWith	Sioux people ⓘ surface form: Dakota (Sioux) people White Earth Ojibwe ⓘ surface form: Ojibwe people
leader	Zebulon Pike ⓘ
location	present-day Minnesota ⓘ upper Midwest of the United States ⓘ
militaryBranch	United States Army ⓘ surface form: U.S. Army
mistakenIdentification	Lake Itasca ⓘ surface form: Cass Lake as the source of the Mississippi River Leech Lake as the source of the Mississippi River ⓘ
namedAfter	Zebulon Pike ⓘ
notableEvent	treaty negotiations with Native American groups ⓘ winter encampment near Leech Lake ⓘ
orderedBy	James Wilkinson ⓘ
partOf	exploration of the Louisiana Purchase ⓘ
purpose	to assess Native American relations in the region ⓘ to evaluate British influence in the upper Mississippi region ⓘ to explore the northern portion of the Louisiana Purchase ⓘ to gather geographic information ⓘ to locate the source of the Mississippi River ⓘ
regionExplored	northern Louisiana Purchase ⓘ Mississippi River ⓘ surface form: upper Mississippi River
relatedWork	Pike expedition to the headwaters of the Mississippi River self-linksurface differs ⓘ surface form: Pike expedition to the American Southwest
result	collected information on Native American tribes ⓘ produced maps of the upper Mississippi region ⓘ reported on British trading presence in the region ⓘ
startDate	1805-08-09 ⓘ
timePeriod	early 19th century ⓘ
usedTransport	boats ⓘ on foot ⓘ sleds ⓘ

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Zebulon Pike → notableWork → Pike expedition to the headwaters of the Mississippi River ⓘ

this entity surface form: Pike expedition to the American Southwest

Pike expedition to the headwaters of the Mississippi River → alsoKnownAs → Pike expedition to the headwaters of the Mississippi River ⓘ

this entity surface form: Pike’s 1805–1806 Mississippi expedition

Pike expedition to the headwaters of the Mississippi River → relatedWork → Pike expedition to the headwaters of the Mississippi River self-linksurface differs ⓘ