# shape of Back Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-da5e-7596-b6fe-4f272db6e7d8>

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

Location: 46.06854, -86.59594 (box -86.59699, 46.06718, -86.59489, 46.06990; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 1619068](https://ontology.bommaritollc.com/id/01a0de2c-da5f-75f9-a608-f53d27e13669)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-86.596824 46.067182, -86.596378 46.068062, -86.595029 46.068652, -86.594893 46.069605, -86.595472 46.069895, -86.596988 46.06954, -86.596824 46.067182))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-da5e-7596-b6fe-4f26faacbc0d)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=46.06854&mlon=-86.59594#map=14/46.06854/-86.59594) (46.06854, -86.59594)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=46.06854,-86.59594)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Back Lake](https://ontology.bommaritollc.com/id/01a0ddfe-d190-7567-952c-3c45c51f6987)
- Geometry of (1; `geo:hasGeometry`):
  - [Back Lake](https://ontology.bommaritollc.com/id/01a0ddfe-d190-7567-952c-3c45c51f6987)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-da5e-7596-b6fe-4f272db6e7d8.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-da5e-7596-b6fe-4f272db6e7d8.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-da5e-7596-b6fe-4f272db6e7d8.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-da5e-7596-b6fe-4f272db6e7d8)
Cite as: shape of Back Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0de2c-da5e-7596-b6fe-4f272db6e7d8
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.