# Porter Drain

Porter Drain is a stream in [Madison Township](https://ontology.bommaritollc.com/id/01a0ca47-744c-7200-bc01-fcdd393653c8), [Lenawee County](https://ontology.bommaritollc.com/id/01a0ca47-5a45-7139-a14c-e06bafbc3a94), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (7.7 km long), in the [South Branch River Raisin (HUC10 0410000202)](https://ontology.bommaritollc.com/id/01a0de92-1f01-7356-9929-39465672eea1) watershed; it flows into [South Branch River Raisin](https://ontology.bommaritollc.com/id/01a0ddfe-c9a5-769d-9087-f950ddb26d50).

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c4de-7637-a188-1da9b217f903>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Lenawee County](https://ontology.bommaritollc.com/id/01a0ca47-5a45-7139-a14c-e06bafbc3a94) › [Madison Township](https://ontology.bommaritollc.com/id/01a0ca47-744c-7200-bc01-fcdd393653c8)

Type: [geo:Feature](http://www.opengis.net/ont/geosparql#Feature), [schema:Place](https://schema.org/Place), [schema:RiverBodyOfWater](https://schema.org/RiverBodyOfWater)

Location: 41.86005, -84.05272 (box -84.11268, 41.85766, -84.05280, 41.88325; west, south, east, north)

- `adms:identifier`: [gnis 635303](https://ontology.bommaritollc.com/id/01a0ddfe-c4de-7637-a188-1db14105c953)
- `dcterms:type`: [stream](https://ontology.bommaritollc.com/vocab/geo/gnisStream)
- **flows into** (`bcgeo:flowsInto`): [South Branch River Raisin](https://ontology.bommaritollc.com/id/01a0ddfe-c9a5-769d-9087-f950ddb26d50)
- `geo:hasDefaultGeometry`: [shape of Porter Drain](https://ontology.bommaritollc.com/id/01a0de2c-d335-707c-af56-e83caeaa3e18)
- `geo:hasGeometry`:
  - [point of Porter Drain](https://ontology.bommaritollc.com/id/01a0ddfe-fe22-712d-9ad8-65f4cb3a7641)
  - [shape of Porter Drain](https://ontology.bommaritollc.com/id/01a0de2c-d335-707c-af56-e83caeaa3e18)
- `geo:hasMetricLength`: 7700.0 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [South Branch River Raisin (HUC10 0410000202)](https://ontology.bommaritollc.com/id/01a0de92-1f01-7356-9929-39465672eea1)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c4de-7637-a188-1da85d93e1b5)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5920-7780-a721-f24b3e25de03)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-18ef-77ca-abc2-111ca482ef34)
- `schema:containedInPlace`:
  - [Lenawee County](https://ontology.bommaritollc.com/id/01a0ca47-5a45-7139-a14c-e06bafbc3a94)
  - [Madison Township](https://ontology.bommaritollc.com/id/01a0ca47-744c-7200-bc01-fcdd393653c8)
- `skos:prefLabel`: Porter Drain

## Elsewhere

- [Wikidata Q35266802](https://www.wikidata.org/wiki/Q35266802) (proposed match (exactMatch))
- [USGS GNIS 635303](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/635303) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=41.86005&mlon=-84.05272#map=14/41.86005/-84.05272) (41.86005, -84.05272)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=41.86005,-84.05272)
- [Source](https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames_MI_Text.zip) (prd-tnm.s3.amazonaws.com)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)
- [Source](https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer) (hydro.nationalmap.gov)

## Pointing here

- Mappings (1; `owl:annotatedSource`):
  - [exactMatch http://www.wikidata.org/entity/Q35266802 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-76e2-72df-b0d8-e7ac67f3517c)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c4de-7637-a188-1da9b217f903.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c4de-7637-a188-1da9b217f903.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c4de-7637-a188-1da9b217f903.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c4de-7637-a188-1da9b217f903)
Cite as: Porter Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c4de-7637-a188-1da9b217f903
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.