Chimney Rock

E110326

landmark rock formation

Chimney Rock is a prominent rock formation in western Nebraska that served as a key navigational landmark for 19th-century pioneers traveling westward.

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All labels observed (2)

Label	Occurrences
Chimney Rock National Historic Site	2
Chimney Rock canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T920276 — 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: Chimney Rock
Context triple: [Oregon Trail, notableLandmark, Chimney Rock]

A. Siasconset Bluff
Siasconset Bluff is a scenic coastal bluff area on the eastern shore of Nantucket Island, Massachusetts, known for its dramatic ocean views and historic seaside cottages.
B. Jefferson Rock
Jefferson Rock is a famous rock formation and viewpoint in Harpers Ferry National Historical Park that offers sweeping views of the confluence of the Potomac and Shenandoah rivers.
C. Cathedral Rocks
Cathedral Rocks are a prominent granite rock formation in Yosemite National Park, known for their striking spires that frame the western side of Yosemite Valley.
D. Pinnacle Rock State Park
Pinnacle Rock State Park is a scenic public recreation area in southern West Virginia known for its dramatic sandstone rock formation, hiking trails, and panoramic mountain views.
E. Glass House Mountains
The Glass House Mountains are a group of dramatic volcanic plugs in Queensland, Australia, renowned for their striking peaks, hiking trails, and cultural significance to the local Indigenous peoples.
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: Chimney Rock
Target entity description: Chimney Rock is a prominent rock formation in western Nebraska that served as a key navigational landmark for 19th-century pioneers traveling westward.

A. Siasconset Bluff
Siasconset Bluff is a scenic coastal bluff area on the eastern shore of Nantucket Island, Massachusetts, known for its dramatic ocean views and historic seaside cottages.
B. Jefferson Rock
Jefferson Rock is a famous rock formation and viewpoint in Harpers Ferry National Historical Park that offers sweeping views of the confluence of the Potomac and Shenandoah rivers.
C. Cathedral Rocks
Cathedral Rocks are a prominent granite rock formation in Yosemite National Park, known for their striking spires that frame the western side of Yosemite Valley.
D. Pinnacle Rock State Park
Pinnacle Rock State Park is a scenic public recreation area in southern West Virginia known for its dramatic sandstone rock formation, hiking trails, and panoramic mountain views.
E. Glass House Mountains
The Glass House Mountains are a group of dramatic volcanic plugs in Queensland, Australia, renowned for their striking peaks, hiking trails, and cultural significance to the local Indigenous peoples.
F. None of above. chosen

Statements (46)

Predicate	Object
instanceOf	landmark ⓘ rock formation ⓘ
category	Historic trails of the United States ⓘ Landforms of Morrill County, Nebraska ⓘ Rock formations of Nebraska ⓘ
composedOf	Brule clay ⓘ sandstone ⓘ volcanic ash ⓘ
designatedAs	National Historic Site ⓘ linked to: U.S. National Historic Site
elevation	approximately 4,228 feet above sea level ⓘ
featureOf	Chimney Rock National Historic Site ⓘ linked to: Chimney Rock
formedBy	erosion ⓘ
geologicAge	Oligocene ⓘ
governedBy	federal government of the United States ⓘ linked to: United States government state of Nebraska ⓘ linked to: Nebraska
hasNameOrigin	named for its resemblance to a chimney ⓘ
hasShape	rock tower ⓘ spire ⓘ
hasVisitorCenter	true ⓘ
height	approximately 300 feet above the surrounding valley ⓘ
listedIn	National Register of Historic Places ⓘ
locatedIn	Morrill County, Nebraska ⓘ Nebraska ⓘ United States ⓘ linked to: United States of America
locatedInRegion	western Nebraska ⓘ
managedBy	National Park Service ⓘ
managedInPartBy	Nebraska State Historical Society ⓘ
mentionedIn	19th-century emigrant diaries ⓘ
near	Bayard, Nebraska ⓘ Scottsbluff, Nebraska ⓘ
NRHPType	National Historic Site ⓘ
onRoute	California Trail ⓘ Mormon Trail ⓘ Oregon Trail ⓘ
partOf	Great Plains ⓘ North Platte River Valley ⓘ linked to: North Platte River
recognizedAs	symbol of the American West ⓘ
significantFor	19th-century westward migration ⓘ California Trail history ⓘ Mormon Trail history ⓘ Oregon Trail history ⓘ
touristAttraction	true ⓘ
usedAs	navigational landmark ⓘ trail landmark ⓘ
viewedAs	iconic landmark for westward expansion ⓘ
visibleFrom	Oregon Trail corridor ⓘ linked to: Oregon Trail

How these facts were elicited

Referenced by (3)

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

Oregon Trail → notableLandmark → Chimney Rock ⓘ

Chimney Rock → featureOf → Chimney Rock National Historic Site ⓘ

linked to: Chimney Rock

western Nebraska → hasLandmark → Chimney Rock National Historic Site ⓘ