# shape of Lassen Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-cda7-70ed-a957-3894f9b4bc2e>

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

Location: 43.80565, -85.17274 (box -85.17381, 43.80514, -85.17168, 43.80617; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 630178](https://ontology.bommaritollc.com/id/01a0de2c-cda7-70ed-a957-389a1bccd2a4)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-85.171682 43.805503, -85.172922 43.806165, -85.173806 43.805435, -85.173266 43.805144, -85.171682 43.805503))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-cda7-70ed-a957-3893695fc4f3)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.80565&mlon=-85.17274#map=14/43.80565/-85.17274) (43.80565, -85.17274)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.80565,-85.17274)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Lassen Lake](https://ontology.bommaritollc.com/id/01a0ddfe-bb48-70ca-bbf4-5f316a235dbb)
- Geometry of (1; `geo:hasGeometry`):
  - [Lassen Lake](https://ontology.bommaritollc.com/id/01a0ddfe-bb48-70ca-bbf4-5f316a235dbb)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-cda7-70ed-a957-3894f9b4bc2e.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-cda7-70ed-a957-3894f9b4bc2e.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-cda7-70ed-a957-3894f9b4bc2e.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-cda7-70ed-a957-3894f9b4bc2e)
Cite as: shape of Lassen Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-cda7-70ed-a957-3894f9b4bc2e
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.