# shape of Halfmoon Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-cb16-710e-b3e9-026d525d7fb0>

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

Location: 42.41930, -84.01142 (box -84.02426, 42.41292, -83.99857, 42.42569; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 627630](https://ontology.bommaritollc.com/id/01a0de2c-cb16-710e-b3e9-027333a4f23b)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-84.023343 42.419979, -84.022054 42.420115, -84.02077 42.419498, -84.018637 42.419549, -84.017217 42.420282, -84.017403 42.41977, -84.015964 42.417962, -84.01578 42.417055, -84.013149 42.416819, -84.01018 42.415792, -84.00992 42.414851, -84.01047 42.413922, -84.009005 42.414035, -84.008267 42.414822, -84.00343 42.413295, -83.999091 42.412922, -83.998572 42.413183, -83.999184 42.4151, -84.001816 42.415386, -84.003062 42.416025, -84.007022 42.416416, -84.007371 42.417049, -84.007182 42.419119, -84.008893 42.422336, -84.010395 42.422748, -84.010966 42.424126, -84.012055 42.425025, -84.013003 42.42503, -84.013363 42.425686, -84.014556 42.425656, -84.015806 42.424582, -84.015409 42.424184, -84.015848 42.423708, -84.018367 42.422714, -84.018758 42.421077, -84.021179 42.421407, -84.021071 42.421687, -84.019443 42.421684, -84.020187 42.422887, -84.02132 42.422704, -84.021508 42.421436, -84.022891 42.421191, -84.024177 42.421503, -84.024265 42.420581, -84.023343 42.419979))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-cb16-710e-b3e9-026ca6af5743)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.41930&mlon=-84.01142#map=14/42.41930/-84.01142) (42.41930, -84.01142)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.41930,-84.01142)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Halfmoon Lake](https://ontology.bommaritollc.com/id/01a0ddfe-b72b-72bb-94ba-b42a7af7bf42)
- Geometry of (1; `geo:hasGeometry`):
  - [Halfmoon Lake](https://ontology.bommaritollc.com/id/01a0ddfe-b72b-72bb-94ba-b42a7af7bf42)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-cb16-710e-b3e9-026d525d7fb0.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-cb16-710e-b3e9-026d525d7fb0.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-cb16-710e-b3e9-026d525d7fb0.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-cb16-710e-b3e9-026d525d7fb0)
Cite as: shape of Halfmoon Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0de2c-cb16-710e-b3e9-026d525d7fb0
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.