# Tharp Lake

Tharp Lake is a lake in [Calvin Township](https://ontology.bommaritollc.com/id/01a0ca47-6cb9-75de-bdb8-db9ede0c1fd1), [Cass County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-981ba967c897), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (17.7 ha), in the [Christiana Creek (HUC10 0405000114)](https://ontology.bommaritollc.com/id/01a0de92-1d28-7114-83ed-ae668a6aaff2) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-cc00-706e-9ac7-efd989014abd>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Cass County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-981ba967c897) › [Calvin Township](https://ontology.bommaritollc.com/id/01a0ca47-6cb9-75de-bdb8-db9ede0c1fd1)

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

Location: 41.85056, -85.91672 (box -85.92151, 41.84873, -85.91203, 41.85263; west, south, east, north)

- `adms:identifier`: [gnis 1614697](https://ontology.bommaritollc.com/id/01a0ddfe-cc00-706e-9ac7-efe614bde22c)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Tharp Lake](https://ontology.bommaritollc.com/id/01a0de2c-d741-7470-8b1c-223031807885)
- `geo:hasGeometry`:
  - [point of Tharp Lake](https://ontology.bommaritollc.com/id/01a0ddff-0654-74d0-a612-fe61844c5768)
  - [shape of Tharp Lake](https://ontology.bommaritollc.com/id/01a0de2c-d741-7470-8b1c-223031807885)
- `geo:hasMetricArea`: 176669.2 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Christiana Creek (HUC10 0405000114)](https://ontology.bommaritollc.com/id/01a0de92-1d28-7114-83ed-ae668a6aaff2)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-cc00-706e-9ac7-efd83b1eca71)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5e41-7223-9595-106b36af352e)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-16a1-744f-afa0-d8c292b6a950)
- `schema:containedInPlace`:
  - [Cass County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-981ba967c897)
  - [Calvin Township](https://ontology.bommaritollc.com/id/01a0ca47-6cb9-75de-bdb8-db9ede0c1fd1)
- `skos:altLabel`:
  - Tharps Lake
  - Thorp Lake
- `skos:prefLabel`: Tharp Lake

## Elsewhere

- [Wikidata Q33315500](https://www.wikidata.org/wiki/Q33315500) (proposed match (exactMatch))
- [USGS GNIS 1614697](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1614697) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=41.85056&mlon=-85.91672#map=14/41.85056/-85.91672) (41.85056, -85.91672)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=41.85056,-85.91672)
- [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/Q33315500 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-77d5-708c-b3b4-b0178e1dafd5)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-cc00-706e-9ac7-efd989014abd.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-cc00-706e-9ac7-efd989014abd.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-cc00-706e-9ac7-efd989014abd.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-cc00-706e-9ac7-efd989014abd)
Cite as: Tharp Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-cc00-706e-9ac7-efd989014abd
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.