# shape of Grass Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-cab9-75ae-9438-9d065f617946>

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

Location: 42.53665, -83.96921 (box -83.97121, 42.53522, -83.96722, 42.53808; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 627181](https://ontology.bommaritollc.com/id/01a0de2c-cab9-75ae-9438-9d0c0216a634)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-83.971178 42.53781, -83.971206 42.536974, -83.970119 42.535217, -83.969206 42.535357, -83.967219 42.536824, -83.967663 42.537447, -83.969133 42.537331, -83.970435 42.538077, -83.971178 42.53781))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-cab9-75ae-9438-9d05faad2425)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.53665&mlon=-83.96921#map=14/42.53665/-83.96921) (42.53665, -83.96921)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.53665,-83.96921)
- [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-b638-7675-afb4-7b40a41e1ced)
- Geometry of (1; `geo:hasGeometry`):
  - [Grass Lake](https://ontology.bommaritollc.com/id/01a0ddfe-b638-7675-afb4-7b40a41e1ced)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-cab9-75ae-9438-9d065f617946.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-cab9-75ae-9438-9d065f617946.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-cab9-75ae-9438-9d065f617946.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-cab9-75ae-9438-9d065f617946)
Cite as: shape of Grass Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-cab9-75ae-9438-9d065f617946
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.