# shape of Barnum Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-c3e4-77a3-a9fa-326b732e0597>

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

Location: 42.85721, -83.71324 (box -83.71564, 42.85581, -83.71084, 42.85861; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 620635](https://ontology.bommaritollc.com/id/01a0de2c-c3e5-7034-b214-d18d1732389f)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-83.714135 42.858496, -83.715453 42.857857, -83.715637 42.857104, -83.713949 42.855979, -83.712144 42.855811, -83.710857 42.85694, -83.710844 42.857797, -83.712935 42.858608, -83.714135 42.858496))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-c3e4-77a3-a9fa-326ac349466c)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.85721&mlon=-83.71324#map=14/42.85721/-83.71324) (42.85721, -83.71324)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.85721,-83.71324)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Barnum Lake](https://ontology.bommaritollc.com/id/01a0ddfe-aaab-7623-8b74-1ad1c8637ca7)
- Geometry of (1; `geo:hasGeometry`):
  - [Barnum Lake](https://ontology.bommaritollc.com/id/01a0ddfe-aaab-7623-8b74-1ad1c8637ca7)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-c3e4-77a3-a9fa-326b732e0597.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-c3e4-77a3-a9fa-326b732e0597.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-c3e4-77a3-a9fa-326b732e0597.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-c3e4-77a3-a9fa-326b732e0597)
Cite as: shape of Barnum Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-c3e4-77a3-a9fa-326b732e0597
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.