# shape of Birch Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-c4e2-72f5-bc11-722d0313ab42>

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

Location: 46.40042, -87.89467 (box -87.89831, 46.39857, -87.89103, 46.40227; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 621407](https://ontology.bommaritollc.com/id/01a0de2c-c4e2-72f5-bc11-723394dcbc8d)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-87.8936 46.398569, -87.89121 46.399921, -87.891032 46.401108, -87.892521 46.401406, -87.894054 46.40105, -87.894421 46.401657, -87.89578 46.402251, -87.896922 46.402273, -87.89792 46.401436, -87.898306 46.399855, -87.896175 46.398833, -87.8936 46.398569))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-c4e2-72f5-bc11-722c21762ed9)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=46.40042&mlon=-87.89467#map=14/46.40042/-87.89467) (46.40042, -87.89467)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=46.40042,-87.89467)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Birch Lake](https://ontology.bommaritollc.com/id/01a0ddfe-ac2b-7596-89fc-1cba5a1e9ec7)
- Geometry of (1; `geo:hasGeometry`):
  - [Birch Lake](https://ontology.bommaritollc.com/id/01a0ddfe-ac2b-7596-89fc-1cba5a1e9ec7)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-c4e2-72f5-bc11-722d0313ab42.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-c4e2-72f5-bc11-722d0313ab42.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-c4e2-72f5-bc11-722d0313ab42.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-c4e2-72f5-bc11-722d0313ab42)
Cite as: shape of Birch Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0de2c-c4e2-72f5-bc11-722d0313ab42
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.