Harmony Borax Works
E185334
Harmony Borax Works is a historic borax mining and processing site in Death Valley, California, best known for its 19th-century operations and iconic “20-mule team” wagons.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Harmony Borax Works canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1630294 — 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: Harmony Borax Works Context triple: [Death Valley National Park road network, connectsTo, Harmony Borax Works]
-
A.
Thompson-Hayward Chemical Company
Thompson-Hayward Chemical Company was a U.S. chemical manufacturer known for being one of the producers of Agent Orange, the herbicide used extensively during the Vietnam War and later linked to serious health and environmental damage.
-
B.
Carborundum Company
Carborundum Company was a prominent American manufacturer best known for pioneering the industrial production of silicon carbide abrasives and related materials.
-
C.
Union Minerals and Alloys Corporation
Union Minerals and Alloys Corporation was a U.S. scrap and salvage company known for purchasing and dismantling decommissioned naval vessels and other large industrial assets.
-
D.
Koppers
Koppers is an American industrial company historically known for producing coal tar chemicals, treated wood products, and materials for the steel and aluminum industries.
-
E.
Rohm and Haas
Rohm and Haas is a specialty chemicals company known for producing advanced materials and chemical products used in coatings, electronics, and industrial applications.
- 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: Harmony Borax Works Target entity description: Harmony Borax Works is a historic borax mining and processing site in Death Valley, California, best known for its 19th-century operations and iconic “20-mule team” wagons.
-
A.
Thompson-Hayward Chemical Company
Thompson-Hayward Chemical Company was a U.S. chemical manufacturer known for being one of the producers of Agent Orange, the herbicide used extensively during the Vietnam War and later linked to serious health and environmental damage.
-
B.
Carborundum Company
Carborundum Company was a prominent American manufacturer best known for pioneering the industrial production of silicon carbide abrasives and related materials.
-
C.
Union Minerals and Alloys Corporation
Union Minerals and Alloys Corporation was a U.S. scrap and salvage company known for purchasing and dismantling decommissioned naval vessels and other large industrial assets.
-
D.
Koppers
Koppers is an American industrial company historically known for producing coal tar chemicals, treated wood products, and materials for the steel and aluminum industries.
-
E.
Rohm and Haas
Rohm and Haas is a specialty chemicals company known for producing advanced materials and chemical products used in coatings, electronics, and industrial applications.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
borax processing plant
ⓘ
historic site ⓘ industrial heritage site ⓘ |
| constructionMaterial |
adobe
ⓘ
stone ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| currentUse | historic interpretive site ⓘ |
| distanceToRailhead | approximately 165 miles ⓘ |
| elevation | below sea level region of Death Valley ⓘ |
| endDate | 1888 ⓘ |
| foundedBy | William T. Coleman ⓘ |
| hasFeature |
informational signs
ⓘ
interpretive trail ⓘ |
| hasRemains |
boilers
ⓘ
ruins of processing plant ⓘ tanks ⓘ wagon parts ⓘ |
| hasView |
Death Valley
ⓘ
surface form:
Death Valley basin
|
| heritageDesignation |
National Historic Landmark District contributing property
ⓘ
listed on the National Register of Historic Places as part of a district ⓘ |
| industry |
borax mining
ⓘ
borax processing ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Death Valley ⓘ Death Valley National Park (partial) ⓘ
surface form:
Death Valley National Park
Inyo County, California ⓘ United States of America ⓘ
surface form:
United States
|
| materialExtracted |
colemanite
ⓘ
ulexite ⓘ |
| near | Furnace Creek ⓘ |
| notableFor |
association with 20-Mule-Team Borax brand
ⓘ
early industrial development in Death Valley ⓘ |
| openToPublic | yes ⓘ |
| operatedBy | Pacific Coast Borax Company ⓘ |
| owner | National Park Service ⓘ |
| partOf | Death Valley National Park historic resources ⓘ |
| processingMethod | solar evaporation of borax brine ⓘ |
| product |
borax
ⓘ
sodium borate ⓘ |
| region |
Sierra Nevada–Great Basin transition zone
ⓘ
surface form:
Great Basin Desert transition zone
Mojave Desert ⓘ |
| significantEvent |
introduction of 20-mule team wagon transport
ⓘ
start of large-scale borax production in Death Valley ⓘ |
| startDate | 1883 ⓘ |
| status | abandoned ⓘ |
| touristAttraction | yes ⓘ |
| transportUsed | 20-mule team wagons ⓘ |
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: Harmony Borax Works Description of subject: Harmony Borax Works is a historic borax mining and processing site in Death Valley, California, best known for its 19th-century operations and iconic “20-mule team” wagons.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.