# shape of Perch Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-d2a6-73b8-95d8-2650a479d5ae>

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

Location: 42.79614, -84.42678 (box -84.42903, 42.79371, -84.42453, 42.79858; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 634621](https://ontology.bommaritollc.com/id/01a0de2c-d2a6-73b8-95d8-2656d42a7c97)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-84.426298 42.798294, -84.427775 42.797434, -84.429027 42.794919, -84.427758 42.794053, -84.425639 42.793709, -84.424898 42.793831, -84.424545 42.794371, -84.424528 42.797472, -84.425162 42.797622, -84.425617 42.798581, -84.426298 42.798294))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-d2a6-73b8-95d8-264fada2bf0d)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.79614&mlon=-84.42678#map=14/42.79614/-84.42678) (42.79614, -84.42678)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.79614,-84.42678)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Perch Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c395-731e-ad59-6346bb814017)
- Geometry of (1; `geo:hasGeometry`):
  - [Perch Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c395-731e-ad59-6346bb814017)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-d2a6-73b8-95d8-2650a479d5ae.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-d2a6-73b8-95d8-2650a479d5ae.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-d2a6-73b8-95d8-2650a479d5ae.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-d2a6-73b8-95d8-2650a479d5ae)
Cite as: shape of Perch Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-d2a6-73b8-95d8-2650a479d5ae
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.