# shape of Number Twenty-one Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-d18c-7174-aab6-9fd867415f03>

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

Location: 42.54249, -85.37901 (box -85.38512, 42.53961, -85.37290, 42.54536; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 633435](https://ontology.bommaritollc.com/id/01a0de2c-d18d-740c-a5c9-365dce2a75df)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-85.374651 42.54152, -85.372902 42.542404, -85.372984 42.543747, -85.374459 42.545238, -85.375405 42.545365, -85.378374 42.543281, -85.380848 42.542933, -85.381997 42.541886, -85.382589 42.542001, -85.383127 42.542863, -85.383147 42.541521, -85.384722 42.540668, -85.385121 42.540025, -85.384286 42.539615, -85.381329 42.540884, -85.37826 42.540742, -85.375476 42.541975, -85.374651 42.54152))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-d18c-7174-aab6-9fd7b9b31234)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.54249&mlon=-85.37901#map=14/42.54249/-85.37901) (42.54249, -85.37901)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.54249,-85.37901)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Number Twenty-one Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c19a-7229-9a7c-21f4cca182f2)
- Geometry of (1; `geo:hasGeometry`):
  - [Number Twenty-one Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c19a-7229-9a7c-21f4cca182f2)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-d18c-7174-aab6-9fd867415f03.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-d18c-7174-aab6-9fd867415f03.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-d18c-7174-aab6-9fd867415f03.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-d18c-7174-aab6-9fd867415f03)
Cite as: shape of Number Twenty-one Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0de2c-d18c-7174-aab6-9fd867415f03
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.