# shape of Backus Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-c3b4-7795-a23c-ccd2de492171>

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

Location: 44.31870, -84.56583 (box -84.57217, 44.31326, -84.55950, 44.32414; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 620415](https://ontology.bommaritollc.com/id/01a0de2c-c3b5-7448-a20d-1c740610267a)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-84.562224 44.320863, -84.562735 44.323181, -84.564334 44.324139, -84.567506 44.323737, -84.571957 44.320212, -84.572166 44.316921, -84.571609 44.315639, -84.570419 44.3153, -84.571003 44.314697, -84.569201 44.314648, -84.567075 44.313894, -84.566551 44.314612, -84.564075 44.31484, -84.562848 44.314446, -84.562305 44.313258, -84.559718 44.314293, -84.559497 44.317952, -84.56029 44.318285, -84.560653 44.320099, -84.562224 44.320863))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-c3b4-7795-a23c-ccd1eead44fc)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.31870&mlon=-84.56583#map=14/44.31870/-84.56583) (44.31870, -84.56583)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.31870,-84.56583)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Backus Lake](https://ontology.bommaritollc.com/id/01a0ddfe-a9dd-73e9-9205-207d18422102)
- Geometry of (1; `geo:hasGeometry`):
  - [Backus Lake](https://ontology.bommaritollc.com/id/01a0ddfe-a9dd-73e9-9205-207d18422102)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-c3b4-7795-a23c-ccd2de492171.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-c3b4-7795-a23c-ccd2de492171.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-c3b4-7795-a23c-ccd2de492171.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-c3b4-7795-a23c-ccd2de492171)
Cite as: shape of Backus Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0de2c-c3b4-7795-a23c-ccd2de492171
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.