# shape of Grass Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-caba-77fb-a616-3cc2a756c4a0>

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

Location: 42.66821, -83.54137 (box -83.54628, 42.66507, -83.53647, 42.67134; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 627183](https://ontology.bommaritollc.com/id/01a0de2c-caba-77fb-a616-3cc878f15cd3)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-83.539807 42.670409, -83.539834 42.671003, -83.540773 42.671083, -83.543204 42.670098, -83.543544 42.67046, -83.543145 42.671175, -83.543837 42.671339, -83.544432 42.670979, -83.544462 42.670628, -83.543293 42.670034, -83.544871 42.669038, -83.545093 42.668121, -83.54454 42.666613, -83.545083 42.667296, -83.545818 42.667155, -83.546039 42.666197, -83.545325 42.66583, -83.546276 42.6655, -83.54628 42.665073, -83.543651 42.665099, -83.543245 42.66642, -83.541954 42.667711, -83.541349 42.667248, -83.539496 42.667464, -83.538749 42.668047, -83.537338 42.667316, -83.536534 42.667761, -83.536467 42.668459, -83.537047 42.669003, -83.539481 42.669894, -83.539807 42.670409))) (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-a616-3cc1becb34c3)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.66821&mlon=-83.54137#map=14/42.66821/-83.54137) (42.66821, -83.54137)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.66821,-83.54137)
- [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-b639-71f3-a8ba-8b5ca0ba7f3b)
- Geometry of (1; `geo:hasGeometry`):
  - [Grass Lake](https://ontology.bommaritollc.com/id/01a0ddfe-b639-71f3-a8ba-8b5ca0ba7f3b)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-caba-77fb-a616-3cc2a756c4a0.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-caba-77fb-a616-3cc2a756c4a0.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-caba-77fb-a616-3cc2a756c4a0.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-caba-77fb-a616-3cc2a756c4a0)
Cite as: shape of Grass Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-caba-77fb-a616-3cc2a756c4a0
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.