# shape of Boom Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-c537-7353-8a10-03c7b5e3ffa9>

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

Location: 43.70487, -85.22435 (box -85.22897, 43.70190, -85.21973, 43.70785; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 621722](https://ontology.bommaritollc.com/id/01a0de2c-c537-7353-8a10-03cdd3184c38)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-85.220925 43.706633, -85.219727 43.707847, -85.222345 43.706317, -85.224206 43.706349, -85.22501 43.706759, -85.227266 43.706317, -85.227865 43.706538, -85.228969 43.703463, -85.227975 43.702453, -85.226193 43.701901, -85.225483 43.702311, -85.224663 43.704046, -85.22337 43.70474, -85.222203 43.703747, -85.221683 43.703936, -85.221367 43.705087, -85.221746 43.705876, -85.220925 43.706633))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-c537-7353-8a10-03c6a2430f71)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.70487&mlon=-85.22435#map=14/43.70487/-85.22435) (43.70487, -85.22435)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.70487,-85.22435)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Boom Lake](https://ontology.bommaritollc.com/id/01a0ddfe-acc9-767f-bcec-25fc1adc7cdb)
- Geometry of (1; `geo:hasGeometry`):
  - [Boom Lake](https://ontology.bommaritollc.com/id/01a0ddfe-acc9-767f-bcec-25fc1adc7cdb)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-c537-7353-8a10-03c7b5e3ffa9.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-c537-7353-8a10-03c7b5e3ffa9.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-c537-7353-8a10-03c7b5e3ffa9.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-c537-7353-8a10-03c7b5e3ffa9)
Cite as: shape of Boom Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-c537-7353-8a10-03c7b5e3ffa9
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.