Lee Ferry, Arizona
E709615
Lee Ferry, Arizona is a historically significant site on the Colorado River that serves as the legal dividing point between the river’s Upper and Lower Basin states.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lee Ferry, Arizona canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8067977 — 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: Lee Ferry, Arizona Context triple: [Colorado River Compact, keyLocation, Lee Ferry, Arizona]
-
A.
Red Cashion
Red Cashion was a longtime NFL official best known for his exuberant "First down!" calls and for serving as the referee in multiple Super Bowls.
-
B.
Grady Gammage
Grady Gammage was a prominent Arizona educator and long-serving president of Arizona State University who played a key role in the institution’s growth and development.
-
C.
Whiting Willauer
Whiting Willauer was an American lawyer, diplomat, and intelligence operative best known for his role in founding and directing Civil Air Transport, an airline closely linked to early CIA operations in Asia.
-
D.
Law Hill
Law Hill is a prominent extinct volcanic plug and landmark overlooking the city of Dundee in Scotland.
-
E.
Roswell King
Roswell King was a 19th-century American businessman and plantation owner best known for establishing the mill-based community that became the city of Roswell, Georgia.
- 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: Lee Ferry, Arizona Target entity description: Lee Ferry, Arizona is a historically significant site on the Colorado River that serves as the legal dividing point between the river’s Upper and Lower Basin states.
-
A.
Red Cashion
Red Cashion was a longtime NFL official best known for his exuberant "First down!" calls and for serving as the referee in multiple Super Bowls.
-
B.
Grady Gammage
Grady Gammage was a prominent Arizona educator and long-serving president of Arizona State University who played a key role in the institution’s growth and development.
-
C.
Whiting Willauer
Whiting Willauer was an American lawyer, diplomat, and intelligence operative best known for his role in founding and directing Civil Air Transport, an airline closely linked to early CIA operations in Asia.
-
D.
Law Hill
Law Hill is a prominent extinct volcanic plug and landmark overlooking the city of Dundee in Scotland.
-
E.
Roswell King
Roswell King was a 19th-century American businessman and plantation owner best known for establishing the mill-based community that became the city of Roswell, Georgia.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
geographic location
ⓘ
historical site ⓘ |
| accessVia | U.S. Route 89A NERFINISHED ⓘ |
| administeredBy | U.S. National Park Service NERFINISHED ⓘ |
| alternativeName |
Lees Ferry
NERFINISHED
ⓘ
Lee’s Ferry NERFINISHED ⓘ |
| closestCommunity | Marble Canyon, Arizona NERFINISHED ⓘ |
| closestTown | Page, Arizona NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Coconino County NERFINISHED ⓘ |
| downstreamOf | Glen Canyon Dam NERFINISHED ⓘ |
| elevationApprox | about 3100 feet above sea level ⓘ |
| geologicalContext | transition between Glen Canyon and Marble Canyon ⓘ |
| governedBy |
Colorado River Compact
NERFINISHED
ⓘ
Law of the River NERFINISHED ⓘ |
| hasFeature |
boat ramp
ⓘ
campground ⓘ historic buildings ⓘ historic ferry site remains ⓘ |
| hasInterpretiveSite | historical interpretive displays ⓘ |
| historicalUse |
ferry site
ⓘ
river crossing ⓘ transportation hub between Arizona and Utah regions ⓘ |
| hydrologicalRole | measurement point for Colorado River flows between basins ⓘ |
| legalRole |
compact point for Colorado River Compact administration
ⓘ
dividing point between Upper Basin and Lower Basin of the Colorado River ⓘ |
| locatedIn |
Arizona
NERFINISHED
ⓘ
United States of America ⓘ
surface form:
United States
|
| locatedNear |
Marble Canyon
NERFINISHED
ⓘ
Navajo Bridge NERFINISHED ⓘ Vermilion Cliffs NERFINISHED ⓘ |
| locatedOnRiver | Colorado River NERFINISHED ⓘ |
| namedAfter | John D. Lee NERFINISHED ⓘ |
| near | Utah NERFINISHED ⓘ |
| partOf | Glen Canyon National Recreation Area NERFINISHED ⓘ |
| recreationActivity |
camping area
ⓘ
fishing area ⓘ river rafting launch site ⓘ |
| region |
southwestern United States
ⓘ
surface form:
American Southwest
|
| riverMileReference | approximate starting point for Grand Canyon river mileage ⓘ |
| significance | historically significant site on the Colorado River ⓘ |
| state | Arizona ⓘ |
| tourism | popular starting point for commercial river trips ⓘ |
| upstreamOf | Grand Canyon NERFINISHED ⓘ |
| usedFor | Colorado River water delivery accounting between basins ⓘ |
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: Lee Ferry, Arizona Description of subject: Lee Ferry, Arizona is a historically significant site on the Colorado River that serves as the legal dividing point between the river’s Upper and Lower Basin states.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.