# shape of Shiawassee Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-d506-76cd-8d73-aaa831054871>

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

Location: 42.80866, -83.82885 (box -83.83133, 42.80514, -83.82637, 42.81218; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 637790](https://ontology.bommaritollc.com/id/01a0de2c-d507-7774-a705-394c75897ef1)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-83.831013 42.811605, -83.830458 42.811099, -83.831152 42.809143, -83.829213 42.809217, -83.829789 42.808349, -83.830981 42.808616, -83.831326 42.808251, -83.830237 42.805547, -83.829437 42.805142, -83.828882 42.805864, -83.826577 42.807112, -83.82637 42.807636, -83.828983 42.809922, -83.828855 42.811956, -83.829532 42.812181, -83.829546 42.811808, -83.830859 42.811918, -83.831013 42.811605))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-d506-76cd-8d73-aaa767b604c4)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.80866&mlon=-83.82885#map=14/42.80866/-83.82885) (42.80866, -83.82885)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.80866,-83.82885)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Shiawassee Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c86f-7018-a410-4a59d1061056)
- Geometry of (1; `geo:hasGeometry`):
  - [Shiawassee Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c86f-7018-a410-4a59d1061056)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-d506-76cd-8d73-aaa831054871.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-d506-76cd-8d73-aaa831054871.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-d506-76cd-8d73-aaa831054871.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-d506-76cd-8d73-aaa831054871)
Cite as: shape of Shiawassee Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-d506-76cd-8d73-aaa831054871
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.