# shape of Lyon Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-cf15-7411-9ad6-34bfbfdf1121>

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

Location: 42.47012, -83.66840 (box -83.66976, 42.46728, -83.66703, 42.47296; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 631241](https://ontology.bommaritollc.com/id/01a0de2c-cf16-7762-8383-50b26faa2af7)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-83.669276 42.470547, -83.669763 42.472964, -83.669508 42.468375, -83.668733 42.467451, -83.667653 42.467275, -83.667028 42.468519, -83.669068 42.469292, -83.669276 42.470547))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-cf15-7411-9ad6-34be1d61d069)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.47012&mlon=-83.66840#map=14/42.47012/-83.66840) (42.47012, -83.66840)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.47012,-83.66840)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Lyon Lake](https://ontology.bommaritollc.com/id/01a0ddfe-bdb8-7272-bcc8-17a5e2ad9892)
- Geometry of (1; `geo:hasGeometry`):
  - [Lyon Lake](https://ontology.bommaritollc.com/id/01a0ddfe-bdb8-7272-bcc8-17a5e2ad9892)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-cf15-7411-9ad6-34bfbfdf1121.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-cf15-7411-9ad6-34bfbfdf1121.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-cf15-7411-9ad6-34bfbfdf1121.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-cf15-7411-9ad6-34bfbfdf1121)
Cite as: shape of Lyon Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-cf15-7411-9ad6-34bfbfdf1121
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.