Peirce Mill
E203793
Peirce Mill is a historic 19th-century gristmill located within Washington, D.C.’s Rock Creek Park, preserved today as a landmark of the city’s early industrial and agricultural history.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Peirce Mill canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1823047 — 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: Peirce Mill Context triple: [Rock Creek Park, hasPart, Peirce Mill]
-
A.
Dexter Grist Mill
Dexter Grist Mill is a historic water-powered gristmill and popular landmark in Sandwich, Massachusetts, known for its picturesque setting and traditional corn grinding demonstrations.
-
B.
Old Schwamb Mill
Old Schwamb Mill is a historic 19th-century woodworking and mill complex in Arlington, Massachusetts, renowned as one of the oldest continuously operating mills of its kind in the United States.
-
C.
Morningstar Mill
Morningstar Mill is a restored 19th-century water-powered grist mill and heritage site located at Decew Falls in St. Catharines, Ontario, Canada.
-
D.
Chatham Saw Mill
Chatham Saw Mill is a historic lumber mill in Port Blair, Andaman and Nicobar Islands, known as one of Asia’s oldest and largest sawmills and a popular heritage tourism site.
-
E.
Durham Mill
Durham Mill is a historic gristmill in Durham, Pennsylvania, notable for its early industrial role in the region’s milling and iron-making history.
- 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: Peirce Mill Target entity description: Peirce Mill is a historic 19th-century gristmill located within Washington, D.C.’s Rock Creek Park, preserved today as a landmark of the city’s early industrial and agricultural history.
-
A.
Dexter Grist Mill
Dexter Grist Mill is a historic water-powered gristmill and popular landmark in Sandwich, Massachusetts, known for its picturesque setting and traditional corn grinding demonstrations.
-
B.
Old Schwamb Mill
Old Schwamb Mill is a historic 19th-century woodworking and mill complex in Arlington, Massachusetts, renowned as one of the oldest continuously operating mills of its kind in the United States.
-
C.
Morningstar Mill
Morningstar Mill is a restored 19th-century water-powered grist mill and heritage site located at Decew Falls in St. Catharines, Ontario, Canada.
-
D.
Chatham Saw Mill
Chatham Saw Mill is a historic lumber mill in Port Blair, Andaman and Nicobar Islands, known as one of Asia’s oldest and largest sawmills and a popular heritage tourism site.
-
E.
Durham Mill
Durham Mill is a historic gristmill in Durham, Pennsylvania, notable for its early industrial role in the region’s milling and iron-making history.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
historic gristmill
ⓘ
industrial heritage site ⓘ museum ⓘ tourist attraction ⓘ |
| associatedWith |
Peirce family
ⓘ
early agriculture in Washington, D.C. ⓘ |
| builtIn | 1829 ⓘ |
| category |
Grinding mills in Washington, D.C.
ⓘ
Historic American Buildings Survey ⓘ
surface form:
Historic American Buildings Survey in Washington, D.C.
Industrial buildings completed in 1829 ⓘ Mills on the National Register of Historic Places in Washington, D.C. ⓘ Museums in Washington, D.C. ⓘ |
| constructionStart | 1820s ⓘ |
| coordinateLocation | 38.943°N 77.058°W ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasBasement | yes ⓘ |
| hasVisitorCenter | yes ⓘ |
| heritageDesignation | listed on the National Register of Historic Places ⓘ |
| locatedIn |
Rock Creek Park
ⓘ
Washington, D.C. ⓘ |
| locatedInAdministrativeTerritory | District of Columbia ⓘ |
| managedBy |
Rock Creek Park
ⓘ
surface form:
Rock Creek Park (National Park Service unit)
|
| materialUsed | stone ⓘ |
| namedAfter | Isaac Peirce ⓘ |
| neighborhood | North Cleveland Park ⓘ |
| NRHPReferenceNumber | 69000311 ⓘ |
| NRHPType | building ⓘ |
| numberOfStories | 3 ⓘ |
| openToPublic | yes ⓘ |
| operator | National Park Service ⓘ |
| originalFunction | gristmill ⓘ |
| originalUse |
grinding corn
ⓘ
grinding wheat ⓘ |
| owner | National Park Service ⓘ |
| partOf |
Rock Creek Park
ⓘ
surface form:
Rock Creek Park Historic District
|
| poweredBy | water wheel ⓘ |
| restorationSponsor | Friends of Peirce Mill ⓘ |
| restored |
1930s
ⓘ
2011 ⓘ |
| significantEvent | industrial development of Rock Creek Valley ⓘ |
| significantPeriod | 19th century ⓘ |
| streetAddress | 2401 Tilden Street NW ⓘ |
| use |
educational facility
ⓘ
interpretive historic site ⓘ |
| watercourse | Rock Creek ⓘ |
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: Peirce Mill Description of subject: Peirce Mill is a historic 19th-century gristmill located within Washington, D.C.’s Rock Creek Park, preserved today as a landmark of the city’s early industrial and agricultural history.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.