Cactus Hill site
E222376
Cactus Hill site is an archaeological location in southeastern Virginia notable for evidence suggesting some of the earliest human occupation in North America, potentially predating the Clovis culture.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Cactus Hill archaeological site | 2 |
| Cactus Hill site canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1949945 — 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: Cactus Hill site Context triple: [Paleo-Indian period, associatedWith, Cactus Hill site]
-
A.
Arlington Springs Man site
The Arlington Springs Man site is a significant Paleoindian archaeological locality on Santa Rosa Island in California, where some of the oldest known human remains in North America were discovered.
-
B.
Meadowcroft Rockshelter
Meadowcroft Rockshelter is an archaeological site in Pennsylvania renowned for evidence of some of the earliest known human habitation in North America.
-
C.
Monte Verde site
The Monte Verde site is an archaeological location in southern Chile that provides some of the earliest widely accepted evidence of human presence in the Americas, challenging the traditional Clovis-first model.
-
D.
Gault site
The Gault site is a major archaeological location in central Texas known for its extensive evidence of early human occupation in North America, including some of the continent’s oldest stone tools.
-
E.
Blackwater Draw site
Blackwater Draw site is an important archaeological location on the Llano Estacado of eastern New Mexico known for early human occupation and distinctive Clovis culture artifacts.
- 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: Cactus Hill site Target entity description: Cactus Hill site is an archaeological location in southeastern Virginia notable for evidence suggesting some of the earliest human occupation in North America, potentially predating the Clovis culture.
-
A.
Arlington Springs Man site
The Arlington Springs Man site is a significant Paleoindian archaeological locality on Santa Rosa Island in California, where some of the oldest known human remains in North America were discovered.
-
B.
Meadowcroft Rockshelter
Meadowcroft Rockshelter is an archaeological site in Pennsylvania renowned for evidence of some of the earliest known human habitation in North America.
-
C.
Monte Verde site
The Monte Verde site is an archaeological location in southern Chile that provides some of the earliest widely accepted evidence of human presence in the Americas, challenging the traditional Clovis-first model.
-
D.
Gault site
The Gault site is a major archaeological location in central Texas known for its extensive evidence of early human occupation in North America, including some of the continent’s oldest stone tools.
-
E.
Blackwater Draw site
Blackwater Draw site is an important archaeological location on the Llano Estacado of eastern New Mexico known for early human occupation and distinctive Clovis culture artifacts.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
archaeological site
ⓘ
prehistoric site ⓘ |
| clovisOccupationDate | approximately 13,000 years ago ⓘ |
| controversy |
age estimates of deepest cultural levels
ⓘ
interpretation of pre-Clovis layer integrity ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| earliestOccupationDate | possibly between 18,000 and 20,000 years ago ⓘ |
| environment |
Pleistocene sand dune
ⓘ
terrace above the Nottoway River ⓘ |
| excavatedBy | archaeologists from Virginia ⓘ |
| excavationStartDate | 1990s ⓘ |
| hasArchaeologicalCulture |
Archaic
ⓘ
Clovis ⓘ Late Paleoindian ⓘ
linked to:
Paleo-Indian period
Pre-Clovis ⓘ |
| hasArtifactType |
Clovis fluted points
ⓘ
small triangular points in pre-Clovis levels ⓘ |
| hasDatingMethod |
optically stimulated luminescence dating
ⓘ
radiocarbon dating ⓘ |
| hasEvidence |
bifacial points
ⓘ
blade tools ⓘ charcoal ⓘ debitage ⓘ faunal remains ⓘ hearth features ⓘ stone tools ⓘ |
| hasResearchOutcome | support for possibility of human presence in Eastern North America before Clovis ⓘ |
| hasSignificance |
key site in challenging the Clovis-first model
ⓘ
one of the earliest claimed human occupation sites in Eastern North America ⓘ |
| hasStratigraphicFeature | distinct separation between Clovis and underlying levels ⓘ |
| locatedIn |
North America
ⓘ
Southeastern Virginia ⓘ Sussex County, Virginia ⓘ United States ⓘ
linked to:
United States of America
|
| locatedOn | Nottoway River ⓘ |
| namedAfter | cactus plants on the nearby sand hill ⓘ |
| notableFor |
evidence of early human occupation in North America
ⓘ
possible pre-Clovis occupation ⓘ well-preserved stratified sand dune deposits ⓘ |
| preservationStatus | partially protected but not a major public tourist site ⓘ |
| researchTopic |
Clovis-first debate
ⓘ
peopling of the Americas ⓘ pre-Clovis hypothesis ⓘ |
| state | Virginia ⓘ |
| stratigraphy | multiple stratified cultural layers ⓘ |
| terrain | sandy ridge with sparse vegetation ⓘ |
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: Cactus Hill site Description of subject: Cactus Hill site is an archaeological location in southeastern Virginia notable for evidence suggesting some of the earliest human occupation in North America, potentially predating the Clovis culture.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Cactus Hill site
linked to: Cactus Hill site