# shape of Blackwood Drain

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-c507-730c-a6b9-910e8e2202d0>

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

Location: 42.46908, -83.58994 (box -83.61265, 42.46161, -83.56724, 42.47655; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 621550](https://ontology.bommaritollc.com/id/01a0de2c-c507-730c-a6b9-91149940282c)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTILINESTRING ((-83.576853 42.468272, -83.57774 42.469013), (-83.579242 42.470262, -83.580229 42.470429), (-83.588412 42.470132, -83.590158 42.470085), (-83.595707 42.468749, -83.598052 42.467635), (-83.588245 42.470139, -83.588337 42.470135), (-83.598052 42.467635, -83.601339 42.466912), (-83.60138 42.466914, -83.602928 42.466697), (-83.57774 42.469013, -83.579242 42.470262), (-83.590158 42.470085, -83.591716 42.470033), (-83.591716 42.470033, -83.593266 42.469925), (-83.602928 42.466697, -83.604662 42.46694, -83.605876 42.470395, -83.607235 42.472149, -83.608201 42.472193, -83.610654 42.473381, -83.611905 42.47474, -83.612648 42.476552), (-83.601339 42.466912, -83.60138 42.466914), (-83.56724 42.46161, -83.56893 42.462007, -83.569324 42.464261, -83.570007 42.465198, -83.572425 42.466561, -83.57449 42.466741), (-83.593266 42.469925, -83.595707 42.468749), (-83.588337 42.470135, -83.588412 42.470132), (-83.57449 42.466741, -83.576853 42.468272), (-83.585831 42.469436, -83.587707 42.469528, -83.588245 42.470139), (-83.580229 42.470429, -83.583109 42.470302, -83.583178 42.469197, -83.585052 42.469007), (-83.585052 42.469007, -83.585831 42.469436)) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-c507-730c-a6b9-910d870bb0e1)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.46908&mlon=-83.58994#map=14/42.46908/-83.58994) (42.46908, -83.58994)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.46908,-83.58994)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Blackwood Drain](https://ontology.bommaritollc.com/id/01a0ddfe-ac78-7385-9fbd-7c0554c77470)
- Geometry of (1; `geo:hasGeometry`):
  - [Blackwood Drain](https://ontology.bommaritollc.com/id/01a0ddfe-ac78-7385-9fbd-7c0554c77470)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-c507-730c-a6b9-910e8e2202d0.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-c507-730c-a6b9-910e8e2202d0.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-c507-730c-a6b9-910e8e2202d0.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-c507-730c-a6b9-910e8e2202d0)
Cite as: shape of Blackwood Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-c507-730c-a6b9-910e8e2202d0
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.