SS Carl D. Bradley shipwreck
E1039941
The SS Carl D. Bradley shipwreck is the remains of a Great Lakes freighter that tragically sank in Lake Michigan during a 1958 storm, becoming one of the region’s most infamous maritime disasters.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SS Carl D. Bradley shipwreck canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13410361 — 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: SS Carl D. Bradley shipwreck Context triple: [Great Lakes shipwrecks, hasPart, SS Carl D. Bradley shipwreck]
-
A.
SS Kyle shipwreck
The SS Kyle shipwreck is the remains of a historic early 20th-century coastal steamship that now serves as a prominent maritime landmark near Harbour Grace, Newfoundland and Labrador.
-
B.
Maheno shipwreck
The Maheno shipwreck is the rusting remains of a former luxury ocean liner and World War I hospital ship that now serves as a prominent historic landmark and tourist attraction on the shores of Fraser Island in Queensland, Australia.
-
C.
shipwreck of the Tsimtsum
The shipwreck of the Tsimtsum is the catastrophic maritime disaster in "Life of Pi" that strands the protagonist at sea and sets the novel’s survival story in motion.
-
D.
Ngāti Maru
Ngāti Maru is a Māori iwi (tribe) of Aotearoa New Zealand, traditionally based in the Taranaki region and recognized as a distinct Treaty of Waitangi settlement group.
-
E.
Walter L. Frost shipwreck
The Walter L. Frost shipwreck is the remains of an early 20th-century Great Lakes freighter that sank near South Manitou Island and is now a popular historic diving and maritime heritage site.
- 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: SS Carl D. Bradley shipwreck Target entity description: The SS Carl D. Bradley shipwreck is the remains of a Great Lakes freighter that tragically sank in Lake Michigan during a 1958 storm, becoming one of the region’s most infamous maritime disasters.
-
A.
SS Kyle shipwreck
The SS Kyle shipwreck is the remains of a historic early 20th-century coastal steamship that now serves as a prominent maritime landmark near Harbour Grace, Newfoundland and Labrador.
-
B.
Maheno shipwreck
The Maheno shipwreck is the rusting remains of a former luxury ocean liner and World War I hospital ship that now serves as a prominent historic landmark and tourist attraction on the shores of Fraser Island in Queensland, Australia.
-
C.
shipwreck of the Tsimtsum
The shipwreck of the Tsimtsum is the catastrophic maritime disaster in "Life of Pi" that strands the protagonist at sea and sets the novel’s survival story in motion.
-
D.
Ngāti Maru
Ngāti Maru is a Māori iwi (tribe) of Aotearoa New Zealand, traditionally based in the Taranaki region and recognized as a distinct Treaty of Waitangi settlement group.
-
E.
Walter L. Frost shipwreck
The Walter L. Frost shipwreck is the remains of an early 20th-century Great Lakes freighter that sank near South Manitou Island and is now a popular historic diving and maritime heritage site.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
Great Lakes shipwreck
ⓘ
maritime disaster ⓘ shipwreck ⓘ |
| bodyOfWater | Lake Michigan ⓘ |
| builtFor | limestone trade on the Great Lakes ⓘ |
| cargoType | limestone ⓘ |
| cause |
storm
ⓘ
structural failure ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| crewOrigin |
Rogers City, Michigan
ⓘ
linked to:
Rogers City
|
| date | 1958-11-18 ⓘ |
| depth | approximately 360 feet ⓘ |
| followedBy | changes in inspection and maintenance practices for Great Lakes freighters ⓘ |
| impact | devastated the community of Rogers City, Michigan ⓘ |
| lakeShoreState |
Michigan
ⓘ
Wisconsin ⓘ |
| location | near Gull Island, Lake Michigan ⓘ |
| memorializedBy |
annual remembrance ceremonies
ⓘ
monuments in Rogers City, Michigan ⓘ |
| notableFor |
being one of the deadliest Great Lakes shipwrecks
ⓘ
breaking in two during a storm ⓘ heavy loss of life from Rogers City, Michigan ⓘ |
| numberOfDeaths | 33 ⓘ |
| numberOfSurvivors | 2 ⓘ |
| operator |
Bradley Transportation Company
ⓘ
U.S. Steel ⓘ
linked to:
United States Steel Corporation
|
| partOf |
Great Lakes maritime disasters of the 20th century
ⓘ
linked to:
Great Lakes shipwrecks
history of Great Lakes shipping ⓘ |
| precededBy | launch of SS Carl D. Bradley in 1927 ⓘ |
| recognizedAs | one of the most infamous shipwrecks on Lake Michigan ⓘ |
| region | northern Lake Michigan ⓘ |
| relatedEvent | investigations into Great Lakes ship safety ⓘ |
| route | from Buffington Harbor, Indiana to Rogers City, Michigan ⓘ |
| ship | SS Carl D. Bradley ⓘ |
| shipType |
Great Lakes freighter
ⓘ
self-unloading bulk carrier ⓘ |
| surveyedBy | underwater exploration teams ⓘ |
| voyageType | ballast voyage ⓘ |
| weatherCondition |
gale-force winds
ⓘ
high waves ⓘ |
| wreckCondition | broken into two main sections ⓘ |
| year | 1958 ⓘ |
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: SS Carl D. Bradley shipwreck Description of subject: The SS Carl D. Bradley shipwreck is the remains of a Great Lakes freighter that tragically sank in Lake Michigan during a 1958 storm, becoming one of the region’s most infamous maritime disasters.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.