# shape of Sagamaw Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-d45a-7729-8209-b34e56bc7c93>

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

Location: 42.17310, -85.44919 (box -85.45248, 42.17093, -85.44591, 42.17527; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 636486](https://ontology.bommaritollc.com/id/01a0de2c-d45b-703b-b4fb-c892c530630a)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-85.446297 42.174472, -85.446646 42.175268, -85.450994 42.17352, -85.452002 42.173587, -85.452475 42.172236, -85.451778 42.172709, -85.450338 42.171222, -85.449213 42.170932, -85.447899 42.171602, -85.446566 42.171281, -85.445912 42.173611, -85.446297 42.174472))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-d45a-7729-8209-b34d037ad2d1)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.17310&mlon=-85.44919#map=14/42.17310/-85.44919) (42.17310, -85.44919)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.17310,-85.44919)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Sagamaw Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c706-7289-9481-e39db01536ea)
- Geometry of (1; `geo:hasGeometry`):
  - [Sagamaw Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c706-7289-9481-e39db01536ea)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-d45a-7729-8209-b34e56bc7c93.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-d45a-7729-8209-b34e56bc7c93.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-d45a-7729-8209-b34e56bc7c93.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-d45a-7729-8209-b34e56bc7c93)
Cite as: shape of Sagamaw Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-d45a-7729-8209-b34e56bc7c93
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.