# shape of Perch Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-d2a5-75c0-9920-195e288c45a0>

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

Location: 42.59566, -86.04763 (box -86.04957, 42.59371, -86.04569, 42.59760; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 634619](https://ontology.bommaritollc.com/id/01a0de2c-d2a5-75c0-9920-1964a17bbe0e)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-86.045691 42.594607, -86.047188 42.596159, -86.046599 42.596939, -86.048346 42.59655, -86.048925 42.596972, -86.047888 42.597603, -86.049154 42.5973, -86.048553 42.596058, -86.049569 42.59506, -86.048801 42.594309, -86.046739 42.593707, -86.045691 42.594607))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-d2a5-75c0-9920-195d5e04c90d)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.59566&mlon=-86.04763#map=14/42.59566/-86.04763) (42.59566, -86.04763)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.59566,-86.04763)
- [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-c394-70af-b393-dba53c91ac42)
- Geometry of (1; `geo:hasGeometry`):
  - [Perch Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c394-70af-b393-dba53c91ac42)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-d2a5-75c0-9920-195e288c45a0.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-d2a5-75c0-9920-195e288c45a0.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-d2a5-75c0-9920-195e288c45a0.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-d2a5-75c0-9920-195e288c45a0)
Cite as: shape of Perch Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-d2a5-75c0-9920-195e288c45a0
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.