# shape of Roberts Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-d3f8-74f1-aac6-d678a2994876>

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

Location: 45.39739, -84.55609 (box -84.55873, 45.39211, -84.55346, 45.40266; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 636041](https://ontology.bommaritollc.com/id/01a0de2c-d3fc-763e-9ea6-b51dadfa431f)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-84.556981 45.401856, -84.558134 45.400578, -84.558729 45.399028, -84.558336 45.392278, -84.55744 45.392114, -84.555502 45.394655, -84.555015 45.398912, -84.553592 45.40079, -84.553457 45.402005, -84.554964 45.402662, -84.556981 45.401856))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-d3f8-74f1-aac6-d677e17a49a1)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=45.39739&mlon=-84.55609#map=14/45.39739/-84.55609) (45.39739, -84.55609)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=45.39739,-84.55609)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Roberts Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c66a-7328-8ef1-afe9f29d534c)
- Geometry of (1; `geo:hasGeometry`):
  - [Roberts Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c66a-7328-8ef1-afe9f29d534c)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-d3f8-74f1-aac6-d678a2994876.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-d3f8-74f1-aac6-d678a2994876.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-d3f8-74f1-aac6-d678a2994876.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-d3f8-74f1-aac6-d678a2994876)
Cite as: shape of Roberts Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0de2c-d3f8-74f1-aac6-d678a2994876
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.