SS Superior City wreck
E1044799
The SS Superior City wreck is the remains of an early 20th-century Great Lakes freighter that sank in Lake Superior and is now a notable site for maritime history and shipwreck diving.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SS Superior City wreck canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13410381 — 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 Superior City wreck Context triple: [Great Lakes shipwrecks, hasPart, SS Superior City wreck]
-
A.
SS Milwaukee wreck
The SS Milwaukee wreck is the remains of a historic railroad car ferry that sank in Lake Michigan during a 1929 storm, now a notable Great Lakes shipwreck and diving site.
-
B.
SS Chicora wreck
The SS Chicora wreck is the remains of a 19th-century passenger steamer that mysteriously sank in Lake Michigan, becoming one of the Great Lakes’ notable maritime disasters.
-
C.
SS G.P. Griffith wreck
The SS G.P. Griffith wreck is the remains of a 19th-century passenger steamer that tragically burned and sank in Lake Erie, becoming one of the Great Lakes’ deadliest maritime disasters.
-
D.
SS Kamloops wreck
The SS Kamloops wreck is the submerged remains of a Canadian freighter that sank in Lake Superior in 1927 and is now a well-known deep-water dive site and historic Great Lakes shipwreck.
-
E.
SS City of Detroit III wreck
The SS City of Detroit III wreck is the submerged remains of a once-prominent Great Lakes passenger steamer, now a notable underwater archaeological and diving 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 Superior City wreck Target entity description: The SS Superior City wreck is the remains of an early 20th-century Great Lakes freighter that sank in Lake Superior and is now a notable site for maritime history and shipwreck diving.
-
A.
SS Milwaukee wreck
The SS Milwaukee wreck is the remains of a historic railroad car ferry that sank in Lake Michigan during a 1929 storm, now a notable Great Lakes shipwreck and diving site.
-
B.
SS Chicora wreck
The SS Chicora wreck is the remains of a 19th-century passenger steamer that mysteriously sank in Lake Michigan, becoming one of the Great Lakes’ notable maritime disasters.
-
C.
SS G.P. Griffith wreck
The SS G.P. Griffith wreck is the remains of a 19th-century passenger steamer that tragically burned and sank in Lake Erie, becoming one of the Great Lakes’ deadliest maritime disasters.
-
D.
SS Kamloops wreck
The SS Kamloops wreck is the submerged remains of a Canadian freighter that sank in Lake Superior in 1927 and is now a well-known deep-water dive site and historic Great Lakes shipwreck.
-
E.
SS City of Detroit III wreck
The SS City of Detroit III wreck is the submerged remains of a once-prominent Great Lakes passenger steamer, now a notable underwater archaeological and diving site.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
maritime archaeological site
ⓘ
shipwreck ⓘ |
| accessPolicy | diving subject to Great Lakes shipwreck regulations ⓘ |
| cargoAtTimeOfSinking | bulk grain ⓘ |
| causeOfDestruction | collision with another vessel ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| depth | approximately 270 feet ⓘ |
| era | early 20th century ⓘ |
| hasCause | navigational error in fog ⓘ |
| hasPart |
cargo remains
ⓘ
deck machinery ⓘ engine components ⓘ propeller ⓘ remains of SS Superior City hull ⓘ |
| hasQuality |
cold freshwater preservation
ⓘ
relatively intact hull structure ⓘ |
| heritageDesignation |
National Register of Historic Places listing
ⓘ
linked to:
National Register of Historic Places
|
| heritageStatus | important Great Lakes shipwreck ⓘ |
| locatedIn | Lake Superior ⓘ |
| locatedInBodyOfWater | Lake Superior ⓘ |
| locatedInState | Wisconsin ⓘ |
| locatedNear |
Michigan–Wisconsin border on Lake Superior
ⓘ
Whitefish Bay ⓘ |
| notableFor |
insight into Great Lakes bulk cargo shipping
ⓘ
popular technical diving site ⓘ well-preserved early 20th-century Great Lakes freighter remains ⓘ |
| numberOfDeaths | approximately 29 ⓘ |
| operatorBeforeWreck | Superior City Steamship Company ⓘ |
| originalConstructionMaterial | steel ⓘ |
| originalLaunchPlace | Great Lakes shipyard in the United States ⓘ |
| originalPropulsionType | steam-powered ⓘ |
| originalShipName | SS Superior City ⓘ |
| originalShipType | Great Lakes bulk freighter ⓘ |
| originalUse | transport of bulk cargo on the Great Lakes ⓘ |
| partOf |
Great Lakes shipwrecks
ⓘ
Lake Superior shipwreck sites ⓘ |
| pointInTime | 20 August 1920 ⓘ |
| significantEvent |
collision with steamer Willis L. King
ⓘ
sinking of SS Superior City ⓘ |
| significantFor |
regional maritime heritage tourism
ⓘ
study of early 20th-century marine engineering ⓘ study of steel-hulled lake freighters ⓘ |
| startTime | 1920-08-20 ⓘ |
| touristAttraction | technical diving destination on Lake Superior ⓘ |
| usedFor |
maritime history research
ⓘ
shipwreck diving ⓘ underwater archaeology ⓘ |
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 Superior City wreck Description of subject: The SS Superior City wreck is the remains of an early 20th-century Great Lakes freighter that sank in Lake Superior and is now a notable site for maritime history and shipwreck diving.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.