# shape of Bertha Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-c4b0-711d-8619-823b3a546294>

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

Location: 43.93311, -84.89407 (box -84.89860, 43.93066, -84.88954, 43.93557; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 621179](https://ontology.bommaritollc.com/id/01a0de2c-c4b0-711d-8619-8241eda7d611)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-84.890585 43.934305, -84.891273 43.935181, -84.892226 43.93499, -84.892838 43.933891, -84.894602 43.934291, -84.894723 43.934641, -84.896983 43.935567, -84.898598 43.935473, -84.894302 43.93383, -84.894133 43.93309, -84.892624 43.931696, -84.892519 43.930951, -84.889614 43.930655, -84.889545 43.932331, -84.890585 43.934305))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-c4b0-711d-8619-823a89b60fb7)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.93311&mlon=-84.89407#map=14/43.93311/-84.89407) (43.93311, -84.89407)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.93311,-84.89407)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Bertha Lake](https://ontology.bommaritollc.com/id/01a0ddfe-ab8c-75d2-a1c0-3e3fb91ea8f3)
- Geometry of (1; `geo:hasGeometry`):
  - [Bertha Lake](https://ontology.bommaritollc.com/id/01a0ddfe-ab8c-75d2-a1c0-3e3fb91ea8f3)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-c4b0-711d-8619-823b3a546294.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-c4b0-711d-8619-823b3a546294.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-c4b0-711d-8619-823b3a546294.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-c4b0-711d-8619-823b3a546294)
Cite as: shape of Bertha Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-c4b0-711d-8619-823b3a546294
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.