# shape of Walden Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-d883-7393-96b4-87f94e477a1e>

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

Location: 42.92903, -85.52551 (box -85.52831, 42.92816, -85.52270, 42.92990; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 1615681](https://ontology.bommaritollc.com/id/01a0de2c-d884-7263-b0ee-7e6c8d62dd23)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-85.52667 42.92909, -85.528059 42.929289, -85.528306 42.928829, -85.527172 42.928164, -85.524592 42.928297, -85.523819 42.929073, -85.522704 42.929261, -85.524919 42.929899, -85.52667 42.92909))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-d883-7393-96b4-87f880167601)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.92903&mlon=-85.52551#map=14/42.92903/-85.52551) (42.92903, -85.52551)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.92903,-85.52551)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Walden Lake](https://ontology.bommaritollc.com/id/01a0ddfe-ce01-77ce-9b0d-30a272e0fab1)
- Geometry of (1; `geo:hasGeometry`):
  - [Walden Lake](https://ontology.bommaritollc.com/id/01a0ddfe-ce01-77ce-9b0d-30a272e0fab1)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-d883-7393-96b4-87f94e477a1e.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-d883-7393-96b4-87f94e477a1e.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-d883-7393-96b4-87f94e477a1e.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-d883-7393-96b4-87f94e477a1e)
Cite as: shape of Walden Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-d883-7393-96b4-87f94e477a1e
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.