# shape of Opal Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-d1f1-73e6-a210-468abb44c63b>

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

Location: 44.92649, -84.61262 (box -84.61665, 44.92047, -84.60859, 44.93252; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 634076](https://ontology.bommaritollc.com/id/01a0de2c-d1f1-73e6-a210-46909d5e67d4)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-84.614534 44.920468, -84.609266 44.921547, -84.608589 44.92206, -84.609051 44.924909, -84.610272 44.926928, -84.610371 44.92938, -84.611191 44.930045, -84.610742 44.931321, -84.61168 44.932148, -84.612948 44.932518, -84.61423 44.930883, -84.614151 44.92895, -84.614889 44.928267, -84.615745 44.928154, -84.616655 44.926257, -84.616558 44.925488, -84.614659 44.924005, -84.614579 44.921742, -84.615008 44.920994, -84.614534 44.920468), (-84.610521 44.923939, -84.610086 44.923435, -84.610921 44.923652, -84.610738 44.924268, -84.610521 44.923939))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-d1f1-73e6-a210-468917f93b53)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.92649&mlon=-84.61262#map=14/44.92649/-84.61262) (44.92649, -84.61262)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.92649,-84.61262)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Opal Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c28c-7558-aa60-c14f3b01fdd7)
- Geometry of (1; `geo:hasGeometry`):
  - [Opal Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c28c-7558-aa60-c14f3b01fdd7)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-d1f1-73e6-a210-468abb44c63b.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-d1f1-73e6-a210-468abb44c63b.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-d1f1-73e6-a210-468abb44c63b.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-d1f1-73e6-a210-468abb44c63b)
Cite as: shape of Opal Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-d1f1-73e6-a210-468abb44c63b
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.