South Pass jetties at the mouth of the Mississippi River
E752973
The South Pass jetties at the mouth of the Mississippi River are a 19th-century engineering project that deepened and stabilized a major shipping channel, greatly improving access from the Gulf of Mexico to the port of New Orleans.
All labels observed (1)
| Label | Occurrences |
|---|---|
| South Pass jetties at the mouth of the Mississippi River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8723719 — 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: South Pass jetties at the mouth of the Mississippi River Context triple: [James B. Eads, notableWork, South Pass jetties at the mouth of the Mississippi River]
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A.
Main Channel Bridge over the Mississippi River
The Main Channel Bridge over the Mississippi River is a major highway bridge that carries traffic across the river at Winona, Minnesota, serving as a key regional transportation link.
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B.
Mississippi River bluffs
The Mississippi River bluffs are steep, elevated landforms overlooking the Mississippi River, known for their dramatic views and strategic locations along the river’s course.
-
C.
Mississippi River system locks and dams
The Mississippi River system locks and dams are a network of engineered structures that regulate water levels and enable commercial navigation along the Mississippi and its connected inland waterways.
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D.
Mississippi River at St. Louis, Missouri
The Mississippi River at St. Louis, Missouri is a major stretch of the Mississippi where it flows past the city of St. Louis and receives the waters of the Missouri River, forming one of North America’s most significant river confluences.
-
E.
Mississippi riverfront
The Mississippi riverfront in Saint Paul, Minnesota is a prominent urban waterfront area featuring parks, trails, cultural attractions, and scenic views along the Mississippi River.
- 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: South Pass jetties at the mouth of the Mississippi River Target entity description: The South Pass jetties at the mouth of the Mississippi River are a 19th-century engineering project that deepened and stabilized a major shipping channel, greatly improving access from the Gulf of Mexico to the port of New Orleans.
-
A.
Main Channel Bridge over the Mississippi River
The Main Channel Bridge over the Mississippi River is a major highway bridge that carries traffic across the river at Winona, Minnesota, serving as a key regional transportation link.
-
B.
Mississippi River bluffs
The Mississippi River bluffs are steep, elevated landforms overlooking the Mississippi River, known for their dramatic views and strategic locations along the river’s course.
-
C.
Mississippi River system locks and dams
The Mississippi River system locks and dams are a network of engineered structures that regulate water levels and enable commercial navigation along the Mississippi and its connected inland waterways.
-
D.
Mississippi River at St. Louis, Missouri
The Mississippi River at St. Louis, Missouri is a major stretch of the Mississippi where it flows past the city of St. Louis and receives the waters of the Missouri River, forming one of North America’s most significant river confluences.
-
E.
Mississippi riverfront
The Mississippi riverfront in Saint Paul, Minnesota is a prominent urban waterfront area featuring parks, trails, cultural attractions, and scenic views along the Mississippi River.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
engineering project
ⓘ
jetty system ⓘ navigation improvement work ⓘ |
| channelType | shipping channel ⓘ |
| connectedToPort | Port of New Orleans NERFINISHED ⓘ |
| constructionEnd | 1879 ⓘ |
| constructionMaterial |
stone
ⓘ
timber cribbing ⓘ |
| constructionMethod | parallel jetties extending into the Gulf of Mexico ⓘ |
| constructionStart | 1875 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| designer | James B. Eads NERFINISHED ⓘ |
| economicImpact | facilitated increased maritime trade through New Orleans ⓘ |
| effect |
deepened the South Pass channel
ⓘ
improved year-round navigation for deep-draft vessels ⓘ increased scouring of the riverbed ⓘ stabilized the channel alignment ⓘ |
| engineer | James B. Eads NERFINISHED ⓘ |
| heritageStatus | recognized as an important historic civil engineering work ⓘ |
| historicalPeriod | 19th century ⓘ |
| improvedChannelCondition | deeper and more stable channel ⓘ |
| influencedBy | river training works technology of the 19th century ⓘ |
| locatedIn |
Gulf of Mexico
NERFINISHED
ⓘ
Plaquemines Parish, Louisiana NERFINISHED ⓘ South Pass of the Mississippi River NERFINISHED ⓘ mouth of the Mississippi River ⓘ |
| managedBy | United States Army Corps of Engineers NERFINISHED ⓘ |
| navigationFunction | maintaining a fixed deep-draft entrance channel ⓘ |
| originalChannelCondition | shallow and shifting bar at the river mouth ⓘ |
| partOf | Mississippi River navigation system NERFINISHED ⓘ |
| purpose |
deepening the navigation channel
ⓘ
improving access from the Gulf of Mexico to the port of New Orleans ⓘ stabilizing the navigation channel ⓘ |
| relatedTo | Mississippi River Delta NERFINISHED ⓘ |
| relatedWork | South Pass Channel NERFINISHED ⓘ |
| significance |
contributed to growth of New Orleans as a major port
ⓘ
key development in Mississippi River navigation engineering ⓘ major improvement to access between the Gulf of Mexico and New Orleans ⓘ |
| state | Louisiana ⓘ |
| waterwayServed | Mississippi River NERFINISHED ⓘ |
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: South Pass jetties at the mouth of the Mississippi River Description of subject: The South Pass jetties at the mouth of the Mississippi River are a 19th-century engineering project that deepened and stabilized a major shipping channel, greatly improving access from the Gulf of Mexico to the port of New Orleans.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.