# Smith and Helwig Drain

Smith and Helwig Drain is a canal in [North Shade Township](https://ontology.bommaritollc.com/id/01a0ca47-780d-73a4-a10c-82f8f97c37ad), [Gratiot County](https://ontology.bommaritollc.com/id/01a0ca47-5953-7311-ac48-68f224372975), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (3.0 km long), in the [Pine Creek-Maple River (HUC10 0405000502)](https://ontology.bommaritollc.com/id/01a0de92-1d79-7067-ace1-1c5c9f44a874) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c950-7743-b9d4-421d61144986>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Gratiot County](https://ontology.bommaritollc.com/id/01a0ca47-5953-7311-ac48-68f224372975) › [North Shade Township](https://ontology.bommaritollc.com/id/01a0ca47-780d-73a4-a10c-82f8f97c37ad)

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

Location: 43.18003, -84.79362 (box -84.79940, 43.17389, -84.78679, 43.18737; west, south, east, north)

- `adms:identifier`: [gnis 638127](https://ontology.bommaritollc.com/id/01a0ddfe-c951-76c4-bd0b-f83d4b3c04f2)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Smith and Helwig Drain](https://ontology.bommaritollc.com/id/01a0de2c-d5b7-77bc-a96b-b12aa697cb87)
- `geo:hasGeometry`:
  - [point of Smith and Helwig Drain](https://ontology.bommaritollc.com/id/01a0ddff-0365-7333-93fb-5a80f95b8ec0)
  - [shape of Smith and Helwig Drain](https://ontology.bommaritollc.com/id/01a0de2c-d5b7-77bc-a96b-b12aa697cb87)
- `geo:hasMetricLength`: 2991.2 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Pine Creek-Maple River (HUC10 0405000502)](https://ontology.bommaritollc.com/id/01a0de92-1d79-7067-ace1-1c5c9f44a874)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c950-7743-b9d4-421c76d452f9)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5c52-71a3-829b-15e3e9d05ee6)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1709-712e-a40e-97543c2f0bf5)
- `schema:containedInPlace`:
  - [Gratiot County](https://ontology.bommaritollc.com/id/01a0ca47-5953-7311-ac48-68f224372975)
  - [North Shade Township](https://ontology.bommaritollc.com/id/01a0ca47-780d-73a4-a10c-82f8f97c37ad)
- `skos:prefLabel`: Smith and Helwig Drain

## Elsewhere

- [Wikidata Q33214572](https://www.wikidata.org/wiki/Q33214572) (proposed match (exactMatch))
- [USGS GNIS 638127](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/638127) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.18003&mlon=-84.79362#map=14/43.18003/-84.79362) (43.18003, -84.79362)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.18003,-84.79362)
- [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/Q33214572 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-771a-7075-b31b-da3ebc35349c)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c950-7743-b9d4-421d61144986.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c950-7743-b9d4-421d61144986.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c950-7743-b9d4-421d61144986.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c950-7743-b9d4-421d61144986)
Cite as: Smith and Helwig Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c950-7743-b9d4-421d61144986
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.