# shape of Blackhawk Pond

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-c505-7211-98db-34903833156e>

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

Location: 41.90999, -85.04720 (box -85.04849, 41.90409, -85.04590, 41.91589; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 621540](https://ontology.bommaritollc.com/id/01a0de2c-c505-7211-98db-3496fab97503)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-85.046505 41.905402, -85.046365 41.907024, -85.047217 41.908215, -85.046052 41.909623, -85.046413 41.910782, -85.045904 41.912477, -85.046579 41.913309, -85.047332 41.913482, -85.046751 41.915149, -85.047839 41.915891, -85.04846 41.915276, -85.047253 41.914614, -85.048493 41.912333, -85.04782 41.909366, -85.048485 41.909196, -85.047785 41.90887, -85.047746 41.90783, -85.046679 41.907099, -85.046586 41.906602, -85.047624 41.904088, -85.046893 41.904267, -85.046961 41.905, -85.046505 41.905402))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-c505-7211-98db-348f851cdc0b)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=41.90999&mlon=-85.04720#map=14/41.90999/-85.04720) (41.90999, -85.04720)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=41.90999,-85.04720)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Blackhawk Pond](https://ontology.bommaritollc.com/id/01a0ddfe-ac74-7555-b322-8629a69095d3)
- Geometry of (1; `geo:hasGeometry`):
  - [Blackhawk Pond](https://ontology.bommaritollc.com/id/01a0ddfe-ac74-7555-b322-8629a69095d3)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-c505-7211-98db-34903833156e.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-c505-7211-98db-34903833156e.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-c505-7211-98db-34903833156e.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-c505-7211-98db-34903833156e)
Cite as: shape of Blackhawk Pond. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-c505-7211-98db-34903833156e
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.