# Geer Williams Drain

Geer Williams Drain is a canal in [Lapeer County](https://ontology.bommaritollc.com/id/01a0ca47-5a07-7411-967f-81e8eda85369), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (6.8 km long), in the [South Branch Flint River (HUC10 0408020401)](https://ontology.bommaritollc.com/id/01a0de92-1ea6-778a-aad6-840c06092a7a) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b59a-749a-83a8-e20d14511c9b>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Lapeer County](https://ontology.bommaritollc.com/id/01a0ca47-5a07-7411-967f-81e8eda85369)

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

Location: 43.05142, -83.20661 (box -83.23116, 43.04788, -83.18232, 43.06605; west, south, east, north)

- `adms:identifier`: [gnis 626704](https://ontology.bommaritollc.com/id/01a0ddfe-b59a-749a-83a8-e216a5908619)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Geer Williams Drain](https://ontology.bommaritollc.com/id/01a0de2c-ca5c-7471-bbe5-ac17a0dac565)
- `geo:hasGeometry`:
  - [point of Geer Williams Drain](https://ontology.bommaritollc.com/id/01a0ddfe-ea7a-770e-9e86-50a21ea23ea4)
  - [shape of Geer Williams Drain](https://ontology.bommaritollc.com/id/01a0de2c-ca5c-7471-bbe5-ac17a0dac565)
- `geo:hasMetricLength`: 6766.5 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [South Branch Flint River (HUC10 0408020401)](https://ontology.bommaritollc.com/id/01a0de92-1ea6-778a-aad6-840c06092a7a)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b599-7355-80ff-e4864019d120)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4d55-77d3-9848-30073c334e48)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-187c-7163-862e-2b73a1f553e7)
- `schema:containedInPlace`:
  - [Lapeer County](https://ontology.bommaritollc.com/id/01a0ca47-5a07-7411-967f-81e8eda85369)
  - [Attica Township](https://ontology.bommaritollc.com/id/01a0ca47-686d-744c-978e-ff106d9e2b89)
  - [Lapeer Township](https://ontology.bommaritollc.com/id/01a0ca47-7662-7228-897a-f19bb7abeeb3)
  - [Mayfield Township](https://ontology.bommaritollc.com/id/01a0ca47-7745-7412-8006-6319d121dc18)
- `skos:prefLabel`: Geer Williams Drain

## Elsewhere

- [Wikidata Q33193957](https://www.wikidata.org/wiki/Q33193957) (proposed match (exactMatch))
- [USGS GNIS 626704](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/626704) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.05142&mlon=-83.20661#map=14/43.05142/-83.20661) (43.05142, -83.20661)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.05142,-83.20661)
- [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/Q33193957 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7499-72dd-b6b7-a45650fba3d8)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b59a-749a-83a8-e20d14511c9b.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b59a-749a-83a8-e20d14511c9b.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b59a-749a-83a8-e20d14511c9b.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b59a-749a-83a8-e20d14511c9b)
Cite as: Geer Williams Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-b59a-749a-83a8-e20d14511c9b
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.