# shape of Spring Brook Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-d616-7071-a7fc-5c795a51bf4a>

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

Location: 42.45179, -86.04071 (box -86.04277, 42.45045, -86.03865, 42.45314; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 638549](https://ontology.bommaritollc.com/id/01a0de2c-d617-745c-82b6-d881a07b962d)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-86.038652 42.451933, -86.038923 42.452891, -86.040114 42.453137, -86.041049 42.452969, -86.042768 42.451679, -86.039966 42.450452, -86.038652 42.451933))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-d616-7071-a7fc-5c78f415453b)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.45179&mlon=-86.04071#map=14/42.45179/-86.04071) (42.45179, -86.04071)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.45179,-86.04071)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Spring Brook Lake](https://ontology.bommaritollc.com/id/01a0ddfe-ca33-70e9-afa0-52cf59a4c15a)
- Geometry of (1; `geo:hasGeometry`):
  - [Spring Brook Lake](https://ontology.bommaritollc.com/id/01a0ddfe-ca33-70e9-afa0-52cf59a4c15a)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-d616-7071-a7fc-5c795a51bf4a.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-d616-7071-a7fc-5c795a51bf4a.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-d616-7071-a7fc-5c795a51bf4a.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-d616-7071-a7fc-5c795a51bf4a)
Cite as: shape of Spring Brook Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0de2c-d616-7071-a7fc-5c795a51bf4a
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.