# shape of Duncan Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-c8e0-7732-875c-cd76de1c92b3>

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

Location: 42.75496, -85.16534 (box -85.16679, 42.75406, -85.16390, 42.75586; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 624986](https://ontology.bommaritollc.com/id/01a0de2c-c8e0-7732-875c-cd7c7fbd0071)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-85.165975 42.754055, -85.164609 42.75521, -85.163899 42.755312, -85.166202 42.755859, -85.16679 42.754881, -85.166459 42.754154, -85.165975 42.754055))) (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-cd752fd8ad4e)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.75496&mlon=-85.16534#map=14/42.75496/-85.16534) (42.75496, -85.16534)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.75496,-85.16534)
- [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-b306-7308-8079-2531667750f6)
- Geometry of (1; `geo:hasGeometry`):
  - [Duncan Lake](https://ontology.bommaritollc.com/id/01a0ddfe-b306-7308-8079-2531667750f6)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-c8e0-7732-875c-cd76de1c92b3.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-c8e0-7732-875c-cd76de1c92b3.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-c8e0-7732-875c-cd76de1c92b3.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-c8e0-7732-875c-cd76de1c92b3)
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-cd76de1c92b3
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.