# McMahan Drain

McMahan Drain is a canal in [Hay Township](https://ontology.bommaritollc.com/id/01a0ca47-71ad-76d2-922d-c21c0ad7a650), [Gladwin County](https://ontology.bommaritollc.com/id/01a0ca47-5c40-7223-8f53-4e1219869f53), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (1.4 km long), in the [Sanford Lake-Tittabawassee River (HUC10 0408020104)](https://ontology.bommaritollc.com/id/01a0de92-1e84-71f6-8228-007550d4f0b8) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-be9a-74a8-b823-caa7a38db6fb>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Gladwin County](https://ontology.bommaritollc.com/id/01a0ca47-5c40-7223-8f53-4e1219869f53) › [Hay Township](https://ontology.bommaritollc.com/id/01a0ca47-71ad-76d2-922d-c21c0ad7a650)

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

Location: 43.93086, -84.35473 (box -84.36498, 43.92999, -84.35195, 43.93295; west, south, east, north)

- `adms:identifier`: [gnis 631792](https://ontology.bommaritollc.com/id/01a0ddfe-be9a-74a8-b823-cab0f08f8a82)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of McMahan Drain](https://ontology.bommaritollc.com/id/01a0de2c-cf6d-771e-8545-1d1698cb20a9)
- `geo:hasGeometry`:
  - [point of McMahan Drain](https://ontology.bommaritollc.com/id/01a0ddfe-f58c-7766-9d32-cdf74e1b4848)
  - [shape of McMahan Drain](https://ontology.bommaritollc.com/id/01a0de2c-cf6d-771e-8545-1d1698cb20a9)
- `geo:hasMetricLength`: 1391.5 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Sanford Lake-Tittabawassee River (HUC10 0408020104)](https://ontology.bommaritollc.com/id/01a0de92-1e84-71f6-8228-007550d4f0b8)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-be9a-74a8-b823-caa670167d44)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-53fb-755a-9ea3-d41c2c248f49)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-184e-7197-82ac-09f3ba826579)
- `schema:containedInPlace`:
  - [Gladwin County](https://ontology.bommaritollc.com/id/01a0ca47-5c40-7223-8f53-4e1219869f53)
  - [Hay Township](https://ontology.bommaritollc.com/id/01a0ca47-71ad-76d2-922d-c21c0ad7a650)
- `skos:prefLabel`: McMahan Drain

## Elsewhere

- [Wikidata Q33206353](https://www.wikidata.org/wiki/Q33206353) (proposed match (exactMatch))
- [USGS GNIS 631792](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/631792) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.93086&mlon=-84.35473#map=14/43.93086/-84.35473) (43.93086, -84.35473)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.93086,-84.35473)
- [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/Q33206353 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7601-73ff-a71d-d4018fcefda3)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-be9a-74a8-b823-caa7a38db6fb.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-be9a-74a8-b823-caa7a38db6fb.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-be9a-74a8-b823-caa7a38db6fb.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-be9a-74a8-b823-caa7a38db6fb)
Cite as: McMahan Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-be9a-74a8-b823-caa7a38db6fb
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.