# shape of Duncan Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-c8e0-7732-875c-cd6e2fa7db48>

Type: [geo:Geometry](http://www.opengis.net/ont/geosparql#Geometry)

Location: 41.87234, -85.14889 (box -85.15064, 41.87157, -85.14713, 41.87310; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 624985](https://ontology.bommaritollc.com/id/01a0de2c-c8e0-7732-875c-cd74ffa3ecc5)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-85.147855 41.871575, -85.147128 41.871794, -85.147406 41.872513, -85.148383 41.872426, -85.149793 41.873096, -85.150645 41.872141, -85.149918 41.872761, -85.149331 41.87252, -85.149654 41.872064, -85.147855 41.871575))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-c8e0-7732-875c-cd6d00e40dfa)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=41.87234&mlon=-85.14889#map=14/41.87234/-85.14889) (41.87234, -85.14889)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=41.87234,-85.14889)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Duncan Lake](https://ontology.bommaritollc.com/id/01a0ddfe-b305-72d7-9b60-5856a03e2a3f)
- Geometry of (1; `geo:hasGeometry`):
  - [Duncan Lake](https://ontology.bommaritollc.com/id/01a0ddfe-b305-72d7-9b60-5856a03e2a3f)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-c8e0-7732-875c-cd6e2fa7db48.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-c8e0-7732-875c-cd6e2fa7db48.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-c8e0-7732-875c-cd6e2fa7db48.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-c8e0-7732-875c-cd6e2fa7db48)
Cite as: shape of Duncan Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0de2c-c8e0-7732-875c-cd6e2fa7db48
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.