# shape of Grass Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-caba-77fb-a616-3ccaed0b33b2>

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

Location: 42.83249, -83.44848 (box -83.45078, 42.83066, -83.44618, 42.83432; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 627185](https://ontology.bommaritollc.com/id/01a0de2c-cabb-7216-b604-3b3cf6e49229)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-83.446997 42.830731, -83.44618 42.831097, -83.446599 42.833467, -83.446989 42.834073, -83.448554 42.834324, -83.447355 42.833663, -83.449556 42.833387, -83.45078 42.831667, -83.448225 42.830661, -83.446997 42.830731))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-caba-77fb-a616-3cc93122572e)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.83249&mlon=-83.44848#map=14/42.83249/-83.44848) (42.83249, -83.44848)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.83249,-83.44848)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Grass Lake](https://ontology.bommaritollc.com/id/01a0ddfe-b67f-77c7-82ea-ce2bb67bbd3e)
- Geometry of (1; `geo:hasGeometry`):
  - [Grass Lake](https://ontology.bommaritollc.com/id/01a0ddfe-b67f-77c7-82ea-ce2bb67bbd3e)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-caba-77fb-a616-3ccaed0b33b2.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-caba-77fb-a616-3ccaed0b33b2.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-caba-77fb-a616-3ccaed0b33b2.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-caba-77fb-a616-3ccaed0b33b2)
Cite as: shape of Grass Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0de2c-caba-77fb-a616-3ccaed0b33b2
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.