# shape of Dark Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-e1a7-72f5-aa19-c42203b98e5b>

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

Location: 41.78668, -85.37185 (box -85.37379, 41.78508, -85.36992, 41.78829; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 1624780](https://ontology.bommaritollc.com/id/01a0de2c-e1a8-73b4-9c72-7a0bc00d1e84)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-85.370465 41.788287, -85.372629 41.787715, -85.372767 41.78625, -85.373792 41.78508, -85.371776 41.785575, -85.371798 41.786415, -85.369915 41.787651, -85.370465 41.788287))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-e1a7-72f5-aa19-c42141cd0b1a)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=41.78668&mlon=-85.37185#map=14/41.78668/-85.37185) (41.78668, -85.37185)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=41.78668,-85.37185)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Dark Lake](https://ontology.bommaritollc.com/id/01a0ddfe-dbe0-72bd-8594-6579e7429aaf)
- Geometry of (1; `geo:hasGeometry`):
  - [Dark Lake](https://ontology.bommaritollc.com/id/01a0ddfe-dbe0-72bd-8594-6579e7429aaf)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-e1a7-72f5-aa19-c42203b98e5b.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-e1a7-72f5-aa19-c42203b98e5b.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-e1a7-72f5-aa19-c42203b98e5b.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-e1a7-72f5-aa19-c42203b98e5b)
Cite as: shape of Dark Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-e1a7-72f5-aa19-c42203b98e5b
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.