# Layman Drain

Layman Drain is a canal in [Grand Blanc](https://ontology.bommaritollc.com/id/01a0ca47-8d9b-73a2-8653-6c4ce6fdabaa), [Genesee County](https://ontology.bommaritollc.com/id/01a0ca47-5d2e-7158-b23f-ecc65bfa094f), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Swartz Creek (HUC10 0408020403)](https://ontology.bommaritollc.com/id/01a0de92-1eaa-7124-a51a-9c8bae628a65) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-bb59-7551-a52c-afaff0727833>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Genesee County](https://ontology.bommaritollc.com/id/01a0ca47-5d2e-7158-b23f-ecc65bfa094f) › [Grand Blanc](https://ontology.bommaritollc.com/id/01a0ca47-8d9b-73a2-8653-6c4ce6fdabaa)

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

Location: 42.91614, -83.63690 (box -83.63690, 42.91614, -83.63690, 42.91614; west, south, east, north)

- `adms:identifier`: [gnis 630228](https://ontology.bommaritollc.com/id/01a0ddfe-bb5a-744a-a5f0-c3201092a292)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [point of Layman Drain](https://ontology.bommaritollc.com/id/01a0ddfe-f2a8-73f2-9a23-01c81eee9997)
- `geo:hasGeometry`: [point of Layman Drain](https://ontology.bommaritollc.com/id/01a0ddfe-f2a8-73f2-9a23-01c81eee9997)
- **in watershed** (`bcgeo:inWatershed`): [Swartz Creek (HUC10 0408020403)](https://ontology.bommaritollc.com/id/01a0de92-1eaa-7124-a51a-9c8bae628a65)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-bb59-7551-a52c-afaec545df23)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-51d9-7144-a223-543fbf344065)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1880-719f-b40f-35e51e64469d)
- `schema:containedInPlace`:
  - [Genesee County](https://ontology.bommaritollc.com/id/01a0ca47-5d2e-7158-b23f-ecc65bfa094f)
  - [Grand Blanc](https://ontology.bommaritollc.com/id/01a0ca47-8d9b-73a2-8653-6c4ce6fdabaa)
- `skos:prefLabel`: Layman Drain

## Elsewhere

- [Wikidata Q33203517](https://www.wikidata.org/wiki/Q33203517) (proposed match (exactMatch))
- [USGS GNIS 630228](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/630228) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.91614&mlon=-83.63690#map=14/42.91614/-83.63690) (42.91614, -83.63690)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.91614,-83.63690)
- [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/Q33203517 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-75cc-7575-a251-34427bd22387)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-bb59-7551-a52c-afaff0727833.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-bb59-7551-a52c-afaff0727833.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-bb59-7551-a52c-afaff0727833.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-bb59-7551-a52c-afaff0727833)
Cite as: Layman Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-bb59-7551-a52c-afaff0727833
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.