# shape of Perch Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-d2a7-75eb-ba26-f86818dae569>

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

Location: 43.69145, -84.98598 (box -84.98776, 43.69002, -84.98421, 43.69288; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 634625](https://ontology.bommaritollc.com/id/01a0de2c-d2a8-70d4-ae56-49d47f905341)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-84.987762 43.691788, -84.987392 43.690622, -84.986659 43.690023, -84.985788 43.690088, -84.984205 43.691504, -84.984931 43.692658, -84.985982 43.692885, -84.987148 43.692732, -84.987762 43.691788))) (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-f867b8b273be)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.69145&mlon=-84.98598#map=14/43.69145/-84.98598) (43.69145, -84.98598)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.69145,-84.98598)
- [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-c397-73d5-8111-2d8c9aaf8120)
- Geometry of (1; `geo:hasGeometry`):
  - [Perch Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c397-73d5-8111-2d8c9aaf8120)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-d2a7-75eb-ba26-f86818dae569.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-d2a7-75eb-ba26-f86818dae569.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-d2a7-75eb-ba26-f86818dae569.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-d2a7-75eb-ba26-f86818dae569)
Cite as: shape of Perch Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-d2a7-75eb-ba26-f86818dae569
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.