# shape of Helen Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-cbbe-70a5-85f2-7d78c6e59ad3>

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

Location: 45.95238, -83.75378 (box -83.75629, 45.95081, -83.75127, 45.95395; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 628061](https://ontology.bommaritollc.com/id/01a0de2c-cbbe-70a5-85f2-7d7ef2cb6759)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-83.75351 45.95103, -83.751463 45.952626, -83.751271 45.953626, -83.753723 45.953954, -83.756186 45.9527, -83.756295 45.951928, -83.755497 45.95106, -83.754686 45.950806, -83.75351 45.95103))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-cbbe-70a5-85f2-7d775808794f)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=45.95238&mlon=-83.75378#map=14/45.95238/-83.75378) (45.95238, -83.75378)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=45.95238,-83.75378)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Helen Lake](https://ontology.bommaritollc.com/id/01a0ddfe-b818-775a-9f41-a32207090a82)
- Geometry of (1; `geo:hasGeometry`):
  - [Helen Lake](https://ontology.bommaritollc.com/id/01a0ddfe-b818-775a-9f41-a32207090a82)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-cbbe-70a5-85f2-7d78c6e59ad3.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-cbbe-70a5-85f2-7d78c6e59ad3.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-cbbe-70a5-85f2-7d78c6e59ad3.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-cbbe-70a5-85f2-7d78c6e59ad3)
Cite as: shape of Helen Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0de2c-cbbe-70a5-85f2-7d78c6e59ad3
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.