# shape of Porter Drain

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-d335-707c-af56-e834d6d07b02>

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

Location: 42.87247, -83.84574 (box -83.88028, 42.84938, -83.81121, 42.89557; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 635302](https://ontology.bommaritollc.com/id/01a0de2c-d335-707c-af56-e83a4b0c74c3)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTILINESTRING ((-83.811208 42.849379, -83.813602 42.849589), (-83.849512 42.890523, -83.855149 42.891169, -83.85653 42.890696, -83.857869 42.89082, -83.859714 42.890247, -83.86159 42.890168, -83.862044 42.890748, -83.867052 42.891087, -83.86861 42.892463, -83.868407 42.893593, -83.869552 42.895045, -83.87208 42.894573, -83.874506 42.894572, -83.878269 42.895566, -83.879468 42.895395, -83.879655 42.894843, -83.880279 42.894639), (-83.831467 42.872847, -83.831202 42.87578, -83.8323 42.88106, -83.832627 42.881416, -83.836268 42.881616, -83.83646 42.885561, -83.843507 42.886241, -83.84533 42.889063, -83.849512 42.890523), (-83.813602 42.849589, -83.814659 42.85155, -83.824858 42.853554, -83.830272 42.853346, -83.830478 42.854395, -83.833004 42.855217, -83.83349 42.856749, -83.832973 42.858084, -83.829748 42.859109, -83.829478 42.860788, -83.827944 42.862432, -83.828 42.866988, -83.829672 42.867403, -83.830985 42.8694, -83.831467 42.872847)) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-d335-707c-af56-e83355c13dc0)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.87247&mlon=-83.84574#map=14/42.87247/-83.84574) (42.87247, -83.84574)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.87247,-83.84574)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Porter Drain](https://ontology.bommaritollc.com/id/01a0ddfe-c4dd-762c-b359-c520f8a678df)
- Geometry of (1; `geo:hasGeometry`):
  - [Porter Drain](https://ontology.bommaritollc.com/id/01a0ddfe-c4dd-762c-b359-c520f8a678df)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-d335-707c-af56-e834d6d07b02.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-d335-707c-af56-e834d6d07b02.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-d335-707c-af56-e834d6d07b02.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-d335-707c-af56-e834d6d07b02)
Cite as: shape of Porter Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-d335-707c-af56-e834d6d07b02
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.