# Twamley Lake

Twamley Lake is a lake in [Lyndon Township](https://ontology.bommaritollc.com/id/01a0ca47-694c-75ed-88e2-6bb572e99cb3), [Washtenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5a16-75b9-a286-85a89060c472), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (4.0 ha), in the [Portage River-Huron River (HUC10 0410001303)](https://ontology.bommaritollc.com/id/01a0de92-1f20-7237-a331-eaea07cbf3b1) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-cd2b-7226-9f29-17a5af826c43>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Washtenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5a16-75b9-a286-85a89060c472) › [Lyndon Township](https://ontology.bommaritollc.com/id/01a0ca47-694c-75ed-88e2-6bb572e99cb3)

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

Location: 42.38708, -84.02290 (box -84.02440, 42.38613, -84.02138, 42.38801; west, south, east, north)

- `adms:identifier`: [gnis 1615218](https://ontology.bommaritollc.com/id/01a0ddfe-cd2c-7296-a278-b420bc45a85d)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Twamley Lake](https://ontology.bommaritollc.com/id/01a0de2c-d7c3-7098-89ec-fc266bd49a66)
- `geo:hasGeometry`:
  - [point of Twamley Lake](https://ontology.bommaritollc.com/id/01a0ddff-0897-732f-9324-fea2e152d19d)
  - [shape of Twamley Lake](https://ontology.bommaritollc.com/id/01a0de2c-d7c3-7098-89ec-fc266bd49a66)
- `geo:hasMetricArea`: 39559.1 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Portage River-Huron River (HUC10 0410001303)](https://ontology.bommaritollc.com/id/01a0de92-1f20-7237-a331-eaea07cbf3b1)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-cd2b-7226-9f29-17a4e6035dbc)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5f4c-77d5-bcbb-5d79753b4d53)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1916-77d8-b052-82d45c973730)
- `schema:containedInPlace`:
  - [Washtenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5a16-75b9-a286-85a89060c472)
  - [Lyndon Township](https://ontology.bommaritollc.com/id/01a0ca47-694c-75ed-88e2-6bb572e99cb3)
- `skos:prefLabel`: Twamley Lake

## Elsewhere

- [Wikidata Q33317892](https://www.wikidata.org/wiki/Q33317892) (proposed match (exactMatch))
- [USGS GNIS 1615218](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1615218) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.38708&mlon=-84.02290#map=14/42.38708/-84.02290) (42.38708, -84.02290)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.38708,-84.02290)
- [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/Q33317892 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-77ee-7323-a2de-88d50bb4895d)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-cd2b-7226-9f29-17a5af826c43.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-cd2b-7226-9f29-17a5af826c43.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-cd2b-7226-9f29-17a5af826c43.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-cd2b-7226-9f29-17a5af826c43)
Cite as: Twamley Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-cd2b-7226-9f29-17a5af826c43
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.