Book Cliffs
E105969
The Book Cliffs are a long, rugged series of desert mountains and cliffs stretching from western Colorado into eastern Utah, known for their striking layered rock formations and extensive fossil and energy resources.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Book Cliffs canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T892770 — 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: Book Cliffs Context triple: [Grand Junction, Colorado, near, Book Cliffs]
-
A.
The Names of the Mountains
The Names of the Mountains is a children's book by Reeve Lindbergh that gently explores themes of nature, family, and memory through lyrical storytelling.
-
B.
Cliff
Cliff is a masculine given name, often used as a short form of Clifford or Clifton.
-
C.
The Mountain Shadow
The Mountain Shadow is a novel by Gregory David Roberts that continues the adventures of Lin, an Australian fugitive navigating the criminal underworld and spiritual quests in India, serving as the sequel to Shantaram.
-
D.
Clarion
Clarion is a small city in central Iowa, United States, serving as the county seat of Wright County.
-
E.
High Peaks
High Peaks is a rugged, rocky summit area in Pinnacles National Park known for its dramatic spires, steep cliffs, and popular hiking trails.
- 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: Book Cliffs Target entity description: The Book Cliffs are a long, rugged series of desert mountains and cliffs stretching from western Colorado into eastern Utah, known for their striking layered rock formations and extensive fossil and energy resources.
-
A.
The Names of the Mountains
The Names of the Mountains is a children's book by Reeve Lindbergh that gently explores themes of nature, family, and memory through lyrical storytelling.
-
B.
Cliff
Cliff is a masculine given name, often used as a short form of Clifford or Clifton.
-
C.
The Mountain Shadow
The Mountain Shadow is a novel by Gregory David Roberts that continues the adventures of Lin, an Australian fugitive navigating the criminal underworld and spiritual quests in India, serving as the sequel to Shantaram.
-
D.
Clarion
Clarion is a small city in central Iowa, United States, serving as the county seat of Wright County.
-
E.
High Peaks
High Peaks is a rugged, rocky summit area in Pinnacles National Park known for its dramatic spires, steep cliffs, and popular hiking trails.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
escarpment
ⓘ
mountain range ⓘ |
| administrativeRegion |
Carbon County, Utah
ⓘ
Garfield County, Colorado ⓘ Mesa County, Colorado ⓘ Uintah County, Utah ⓘ |
| contains |
Book Cliffs coal seams
ⓘ
Mesaverde Group outcrops ⓘ Wasatch Formation outcrops ⓘ segments of the Interstate 70 corridor at its southern base ⓘ |
| country | United States of America ⓘ |
| ecosystem | semi-arid desert ⓘ |
| extendsFrom | near Palisade, Colorado ⓘ |
| extendsTo | near Price, Utah ⓘ |
| feature |
badlands topography in places
ⓘ
steep cliffs and benches ⓘ |
| geologicalProvince |
Colorado Plateau
ⓘ
surface form:
Colorado Plateau physiographic province
|
| geologicalSignificance |
analog for subsurface hydrocarbon reservoirs
ⓘ
classic outcrop for sequence stratigraphy studies ⓘ |
| geology |
Cretaceous sedimentary rocks
ⓘ
Mesozoic sedimentary sequence ⓘ |
| highestPoint | Mount Garfield (prominent summit on the Book Cliffs near Grand Junction) ⓘ |
| knownFor |
coal deposits
ⓘ
desert cliffs and mesas ⓘ extensive fossil resources ⓘ layered sedimentary rock formations ⓘ natural gas resources ⓘ oil shale resources ⓘ |
| length |
approximately 150 miles
ⓘ
approximately 240 kilometers ⓘ |
| locatedIn |
eastern Utah
ⓘ
Western Colorado ⓘ
surface form:
western Colorado
|
| namedAfter | their layered, book-like rock strata ⓘ |
| near |
Grand Junction, Colorado
ⓘ
Green River, Utah ⓘ |
| orientation | generally east–west ⓘ |
| overlooks |
Colorado River valley near Grand Junction
ⓘ
Grand Valley ⓘ |
| partOf |
Colorado Plateau
ⓘ
Rocky Mountain region ⓘ |
| usedFor |
energy development
ⓘ
hunting ⓘ livestock grazing ⓘ off-highway vehicle recreation ⓘ |
| wildlifeHabitatFor |
black bear
ⓘ
elk ⓘ mountain lion ⓘ mule deer ⓘ pronghorn ⓘ |
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: Book Cliffs Description of subject: The Book Cliffs are a long, rugged series of desert mountains and cliffs stretching from western Colorado into eastern Utah, known for their striking layered rock formations and extensive fossil and energy resources.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.