# shape of Downey Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-c850-7592-8733-b45d1d3b2ce6>

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

Location: 42.64415, -83.60791 (box -83.60885, 42.64238, -83.60698, 42.64592; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 624857](https://ontology.bommaritollc.com/id/01a0de2c-c851-7378-ab98-5189736a90ac)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-83.607191 42.644664, -83.606979 42.645446, -83.607998 42.645925, -83.608851 42.645047, -83.608836 42.642385, -83.60736 42.642498, -83.607981 42.642718, -83.607191 42.644664))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-c850-7592-8733-b45c35763289)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.64415&mlon=-83.60791#map=14/42.64415/-83.60791) (42.64415, -83.60791)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.64415,-83.60791)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Downey Lake](https://ontology.bommaritollc.com/id/01a0ddfe-b2c9-7669-9383-d952e9a5ce71)
- Geometry of (1; `geo:hasGeometry`):
  - [Downey Lake](https://ontology.bommaritollc.com/id/01a0ddfe-b2c9-7669-9383-d952e9a5ce71)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-c850-7592-8733-b45d1d3b2ce6.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-c850-7592-8733-b45d1d3b2ce6.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-c850-7592-8733-b45d1d3b2ce6.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-c850-7592-8733-b45d1d3b2ce6)
Cite as: shape of Downey Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-c850-7592-8733-b45d1d3b2ce6
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.