# shape of Perch Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-d2a7-75eb-ba26-f860afbe72da>

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

Location: 43.64650, -85.25907 (box -85.26145, 43.64495, -85.25669, 43.64806; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 634624](https://ontology.bommaritollc.com/id/01a0de2c-d2a7-75eb-ba26-f866f5773cdb)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-85.261448 43.646582, -85.260941 43.645576, -85.257611 43.644953, -85.256693 43.646053, -85.257398 43.647225, -85.258832 43.647209, -85.260508 43.648056, -85.261206 43.647759, -85.261448 43.646582))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-d2a7-75eb-ba26-f85ff4fce3cc)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.64650&mlon=-85.25907#map=14/43.64650/-85.25907) (43.64650, -85.25907)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.64650,-85.25907)
- [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-c397-73d5-8111-2d8246886475)
- Geometry of (1; `geo:hasGeometry`):
  - [Perch Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c397-73d5-8111-2d8246886475)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-d2a7-75eb-ba26-f860afbe72da.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-d2a7-75eb-ba26-f860afbe72da.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-d2a7-75eb-ba26-f860afbe72da.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-d2a7-75eb-ba26-f860afbe72da)
Cite as: shape of Perch Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0de2c-d2a7-75eb-ba26-f860afbe72da
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.