# shape of Head Drain

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-cbb3-70f1-9fe8-a5ee785a981c>

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

Location: 42.17418, -83.50521 (box -83.52725, 42.16992, -83.48317, 42.17844; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 628023](https://ontology.bommaritollc.com/id/01a0de2c-cbb4-704d-acbc-6a50758494e5)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTILINESTRING ((-83.520579 42.172064, -83.516209 42.171285, -83.515713 42.170703, -83.512149 42.170542, -83.511964 42.169961, -83.508285 42.169918, -83.50575 42.170674, -83.505633 42.171013), (-83.483975 42.175373, -83.484314 42.176368, -83.485192 42.177087, -83.483174 42.178137, -83.483179 42.178438), (-83.527249 42.175898, -83.527143 42.174888, -83.524363 42.174933, -83.520579 42.172064), (-83.487225 42.172404, -83.484657 42.173847, -83.483975 42.175373), (-83.505633 42.171013, -83.499895 42.170447, -83.492356 42.170698, -83.491316 42.171826, -83.487225 42.172404)) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-cbb3-70f1-9fe8-a5ed3761c40d)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.17418&mlon=-83.50521#map=14/42.17418/-83.50521) (42.17418, -83.50521)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.17418,-83.50521)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Head Drain](https://ontology.bommaritollc.com/id/01a0ddfe-b809-7189-8ca7-e5ac99f3b62b)
- Geometry of (1; `geo:hasGeometry`):
  - [Head Drain](https://ontology.bommaritollc.com/id/01a0ddfe-b809-7189-8ca7-e5ac99f3b62b)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-cbb3-70f1-9fe8-a5ee785a981c.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-cbb3-70f1-9fe8-a5ee785a981c.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-cbb3-70f1-9fe8-a5ee785a981c.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-cbb3-70f1-9fe8-a5ee785a981c)
Cite as: shape of Head Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-cbb3-70f1-9fe8-a5ee785a981c
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.
