Agate Springs Ranch
E473964
Agate Springs Ranch is a historic Nebraska ranch known as the site of rich Miocene fossil deposits that led to the creation of Agate Fossil Beds National Monument.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Agate Springs Ranch canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4815969 — 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: Agate Springs Ranch Context triple: [Agate Fossil Beds National Monument, associatedWith, Agate Springs Ranch]
-
A.
Alta Dena Ranch
Alta Dena Ranch was a historic ranch in Southern California whose name inspired the nearby community of Altadena.
-
B.
Dollarhide Ranch
Dollarhide Ranch is a prominent Napa Valley vineyard estate known for producing high-quality grapes used in St. Supéry’s wines.
-
C.
Zorthian Ranch
Zorthian Ranch is an eclectic art-filled compound and former bohemian enclave in the foothills above Altadena, California, known for its whimsical sculptures, murals, and creative community gatherings.
-
D.
Prairie Chapel Ranch
Prairie Chapel Ranch is the rural Texas estate owned by former U.S. President George W. Bush, often associated with his presidency and personal retreat.
-
E.
Parker Ranch
Parker Ranch is one of the largest and oldest cattle ranches in the United States, located on the island of Hawaiʻi.
- 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: Agate Springs Ranch Target entity description: Agate Springs Ranch is a historic Nebraska ranch known as the site of rich Miocene fossil deposits that led to the creation of Agate Fossil Beds National Monument.
-
A.
Alta Dena Ranch
Alta Dena Ranch was a historic ranch in Southern California whose name inspired the nearby community of Altadena.
-
B.
Dollarhide Ranch
Dollarhide Ranch is a prominent Napa Valley vineyard estate known for producing high-quality grapes used in St. Supéry’s wines.
-
C.
Zorthian Ranch
Zorthian Ranch is an eclectic art-filled compound and former bohemian enclave in the foothills above Altadena, California, known for its whimsical sculptures, murals, and creative community gatherings.
-
D.
Prairie Chapel Ranch
Prairie Chapel Ranch is the rural Texas estate owned by former U.S. President George W. Bush, often associated with his presidency and personal retreat.
-
E.
Parker Ranch
Parker Ranch is one of the largest and oldest cattle ranches in the United States, located on the island of Hawaiʻi.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
historic ranch
ⓘ
paleontological site ⓘ |
| contributedTo | creation of Agate Fossil Beds National Monument ⓘ |
| country | United States of America ⓘ |
| ecosystem | mixed-grass prairie ⓘ |
| geologicalPeriod | Miocene ⓘ |
| hasCollection |
Native American artifact collections
ⓘ
fossil displays ⓘ |
| hasEducationalUse |
geology and fossilization education
ⓘ
interpretive programs on Miocene life ⓘ |
| hasFossilType |
Dinohyus
ⓘ
Menoceras ⓘ Miocene camels ⓘ Miocene entelodonts ⓘ Miocene horses ⓘ Miocene rhinoceroses ⓘ Moropus ⓘ Stenomylus ⓘ |
| hasResearchActivity | ongoing paleontological research ⓘ |
| hasStratigraphicUnit |
Agate Springs quarries beds
ⓘ
Harrison Formation ⓘ |
| hasVisitorCenter | Agate Fossil Beds National Monument visitor center ⓘ |
| heritageDesignation |
National Historic Landmark
ⓘ
listed on the National Register of Historic Places ⓘ |
| inception | late 19th century ⓘ |
| knownFor |
mammal fossil beds
ⓘ
rich Miocene fossil deposits ⓘ |
| locatedIn |
Great Plains
ⓘ
Nebraska ⓘ Sioux County, Nebraska ⓘ |
| managementBy | National Park Service ⓘ |
| nearestCity | Harrison, Nebraska ⓘ |
| ownedBy | James H. Cook family ⓘ |
| partOf |
Agate Fossil Beds National Monument
ⓘ
Agate Springs Fossil Quarries ⓘ
linked to:
Agate Fossil Beds National Monument
United States National Park System ⓘ |
| significantEvent |
discovery of large Miocene mammal fossils
ⓘ
scientific excavations by paleontologists in the early 20th century ⓘ |
| significantForDiscipline |
geology
ⓘ
paleontology ⓘ vertebrate paleontology ⓘ |
| terrainFeature |
Niobrara River valley
ⓘ
linked to:
Niobrara Valley
|
| timeDepth |
Early Miocene
ⓘ
about 19 million years ago ⓘ |
| tourism |
educational field trip destination
ⓘ
heritage tourism site ⓘ |
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: Agate Springs Ranch Description of subject: Agate Springs Ranch is a historic Nebraska ranch known as the site of rich Miocene fossil deposits that led to the creation of Agate Fossil Beds National Monument.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.