# shape of Lake O'Brien

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-e1e4-72fa-adb8-c45cec2d601d>

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

Location: 42.70688, -83.61720 (box -83.61826, 42.70561, -83.61614, 42.70815; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 1625073](https://ontology.bommaritollc.com/id/01a0de2c-e1e5-7574-9ead-29a0454b4446)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-83.617767 42.708146, -83.618257 42.706364, -83.617334 42.705723, -83.616143 42.705613, -83.616768 42.707412, -83.617767 42.708146))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-e1e4-72fa-adb8-c45b44c25adb)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.70688&mlon=-83.61720#map=14/42.70688/-83.61720) (42.70688, -83.61720)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.70688,-83.61720)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Lake O'Brien](https://ontology.bommaritollc.com/id/01a0ddfe-dc8b-770d-8682-b61a3fd15729)
- Geometry of (1; `geo:hasGeometry`):
  - [Lake O'Brien](https://ontology.bommaritollc.com/id/01a0ddfe-dc8b-770d-8682-b61a3fd15729)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-e1e4-72fa-adb8-c45cec2d601d.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-e1e4-72fa-adb8-c45cec2d601d.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-e1e4-72fa-adb8-c45cec2d601d.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-e1e4-72fa-adb8-c45cec2d601d)
Cite as: shape of Lake O'Brien. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-e1e4-72fa-adb8-c45cec2d601d
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.