# shape of Alfen Drain

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-c366-72c2-b531-8faefd23925c>

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

Location: 42.01152, -83.41557 (box -83.42454, 42.00627, -83.40661, 42.01677; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 619939](https://ontology.bommaritollc.com/id/01a0de2c-c366-72c2-b531-8fb428e2be05)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTILINESTRING ((-83.424535 42.015918, -83.420024 42.015946, -83.419219 42.016104, -83.419152 42.016657, -83.418097 42.01677, -83.414068 42.015358, -83.413508 42.013827, -83.411889 42.0124, -83.410733 42.011911, -83.408358 42.009575, -83.407596 42.007505, -83.406611 42.006269)) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-c366-72c2-b531-8fada6df1f2b)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.01152&mlon=-83.41557#map=14/42.01152/-83.41557) (42.01152, -83.41557)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.01152,-83.41557)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Alfen Drain](https://ontology.bommaritollc.com/id/01a0ddfe-a8fa-7187-b7f8-5a7ac6fb7144)
- Geometry of (1; `geo:hasGeometry`):
  - [Alfen Drain](https://ontology.bommaritollc.com/id/01a0ddfe-a8fa-7187-b7f8-5a7ac6fb7144)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-c366-72c2-b531-8faefd23925c.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-c366-72c2-b531-8faefd23925c.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-c366-72c2-b531-8faefd23925c.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-c366-72c2-b531-8faefd23925c)
Cite as: shape of Alfen Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0de2c-c366-72c2-b531-8faefd23925c
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.