# shape of Dahlgren

shape of Dahlgren is a boundary representation.

IRI: <https://ontology.bommaritollc.com/id/01a0d1a8-de39-72b4-9bbf-d8c7fc7e5b19>

Type: [geo:Geometry](http://www.opengis.net/ont/geosparql#Geometry), [boundary representation](https://ontology.bommaritollc.com/vocab/geo/BoundaryRepresentation)

Location: 38.19798, -88.68486 (box -88.69436, 38.19063, -88.67536, 38.20533; west, south, east, north)

- `adms:identifier`: [census-tiger-feature 2025/1600000US1718303](https://ontology.bommaritollc.com/id/01a0d1a8-de3a-7606-883d-40700bd3da9d)
- `dcterms:date`: 2025-01-01 (xsd:date)
- `dcterms:source`: [Census TIGER/Line 2025: places, state 17](https://ontology.bommaritollc.com/id/01a0d1a7-ff14-7108-90b2-44d74d759a9b)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS83> POLYGON ((-88.694327 38.203835, -88.693953 38.203681, -88.69386 38.190809, -88.675424 38.190629, -88.675365 38.205247, -88.694359 38.205334, -88.694327 38.203835)) (geo:wktLiteral)
- `geo:hasMetricArea`: 2634426 (xsd:double)
- `prov:wasDerivedFrom`: [evidence from https://www2.census.gov/geo/tiger/TIGER2025/PLACE/tl\_2025\_17\_place.zip](https://ontology.bommaritollc.com/id/01a0d1a8-de39-72b4-9bbf-d8c654284c93)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=38.19798&mlon=-88.68486#map=14/38.19798/-88.68486) (38.19798, -88.68486)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=38.19798,-88.68486)
- [Source](https://www2.census.gov/geo/tiger/TIGER2025/PLACE/tl_2025_17_place.zip) (www2.census.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Dahlgren](https://ontology.bommaritollc.com/id/01a0ca47-ac27-70f0-8542-6f4c2992a52a)
- Geometry of (1; `geo:hasGeometry`):
  - [Dahlgren](https://ontology.bommaritollc.com/id/01a0ca47-ac27-70f0-8542-6f4c2992a52a)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0d1a8-de39-72b4-9bbf-d8c7fc7e5b19.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0d1a8-de39-72b4-9bbf-d8c7fc7e5b19.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0d1a8-de39-72b4-9bbf-d8c7fc7e5b19.nt), [HTML](https://ontology.bommaritollc.com/id/01a0d1a8-de39-72b4-9bbf-d8c7fc7e5b19)
Cite as: shape of Dahlgren. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0d1a8-de39-72b4-9bbf-d8c7fc7e5b19
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.