# shape of Lake Erin

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-e1e3-7358-a36a-a2d3c8198a1d>

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

Location: 42.81282, -83.23999 (box -83.24314, 42.81114, -83.23685, 42.81451; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 1625071](https://ontology.bommaritollc.com/id/01a0de2c-e1e4-72fa-adb8-c452e3601695)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-83.242417 42.81387, -83.24314 42.813753, -83.241988 42.813067, -83.242897 42.811136, -83.236879 42.811547, -83.236848 42.813551, -83.237369 42.814047, -83.238462 42.814193, -83.238951 42.813774, -83.239415 42.814493, -83.24032 42.814076, -83.241595 42.814506, -83.242417 42.81387), (-83.237758 42.813308, -83.238303 42.812946, -83.23866 42.813598, -83.237858 42.813703, -83.237758 42.813308))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-e1e3-7358-a36a-a2d22fe64efc)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.81282&mlon=-83.23999#map=14/42.81282/-83.23999) (42.81282, -83.23999)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.81282,-83.23999)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Lake Erin](https://ontology.bommaritollc.com/id/01a0ddfe-dc89-76e5-a23c-ae97939ecdf8)
- Geometry of (1; `geo:hasGeometry`):
  - [Lake Erin](https://ontology.bommaritollc.com/id/01a0ddfe-dc89-76e5-a23c-ae97939ecdf8)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-e1e3-7358-a36a-a2d3c8198a1d.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-e1e3-7358-a36a-a2d3c8198a1d.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-e1e3-7358-a36a-a2d3c8198a1d.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-e1e3-7358-a36a-a2d3c8198a1d)
Cite as: shape of Lake Erin. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0de2c-e1e3-7358-a36a-a2d3c8198a1d
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.