# shape of Roby Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-d401-716e-9757-135d0719d759>

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

Location: 43.82733, -86.00833 (box -86.01063, 43.82624, -86.00602, 43.82843; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 636066](https://ontology.bommaritollc.com/id/01a0de2c-d401-716e-9757-1363616e7824)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-86.010633 43.828385, -86.010414 43.827678, -86.00812 43.826396, -86.006785 43.826237, -86.006252 43.826524, -86.006019 43.827114, -86.00883 43.828433, -86.010633 43.828385))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-d401-716e-9757-135c18cd0ddb)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.82733&mlon=-86.00833#map=14/43.82733/-86.00833) (43.82733, -86.00833)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.82733,-86.00833)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Roby Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c673-725f-9ee5-6613d5eed817)
- Geometry of (1; `geo:hasGeometry`):
  - [Roby Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c673-725f-9ee5-6613d5eed817)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-d401-716e-9757-135d0719d759.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-d401-716e-9757-135d0719d759.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-d401-716e-9757-135d0719d759.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-d401-716e-9757-135d0719d759)
Cite as: shape of Roby Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-d401-716e-9757-135d0719d759
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.