# shape of Perch Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-d2b1-701e-a046-e3870001a8ec>

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

Location: 42.71440, -83.65205 (box -83.65380, 42.71263, -83.65029, 42.71616; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 634649](https://ontology.bommaritollc.com/id/01a0de2c-d2b1-701e-a046-e38d7f6d8e7d)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-83.652017 42.712919, -83.650291 42.713014, -83.650723 42.715315, -83.65184 42.716165, -83.653335 42.715833, -83.653803 42.714972, -83.653423 42.713821, -83.653696 42.713035, -83.652896 42.712628, -83.652017 42.712919))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-d2b1-701e-a046-e38699afadc7)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.71440&mlon=-83.65205#map=14/42.71440/-83.65205) (42.71440, -83.65205)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.71440,-83.65205)
- [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-c3a6-743f-b92f-7ed0cf8401a2)
- Geometry of (1; `geo:hasGeometry`):
  - [Perch Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c3a6-743f-b92f-7ed0cf8401a2)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-d2b1-701e-a046-e3870001a8ec.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-d2b1-701e-a046-e3870001a8ec.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-d2b1-701e-a046-e3870001a8ec.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-d2b1-701e-a046-e3870001a8ec)
Cite as: shape of Perch Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0de2c-d2b1-701e-a046-e3870001a8ec
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.