# Lehman Lake

Lehman Lake is a lake in [Sylvan Township](https://ontology.bommaritollc.com/id/01a0ca47-7cc1-77a8-b471-43988b9695cc), [Washtenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5a16-75b9-a286-85a89060c472), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (17.1 ha), in the [Headwaters Grand River (HUC10 0405000401)](https://ontology.bommaritollc.com/id/01a0de92-1d62-735a-b562-311334647fab) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-bbb6-7481-ae32-efdab6f75b32>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Washtenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5a16-75b9-a286-85a89060c472) › [Sylvan Township](https://ontology.bommaritollc.com/id/01a0ca47-7cc1-77a8-b471-43988b9695cc)

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

Location: 42.30630, -84.11999 (box -84.12439, 42.30394, -84.11650, 42.30827; west, south, east, north)

- `adms:identifier`: [gnis 630285](https://ontology.bommaritollc.com/id/01a0ddfe-bbb7-70cc-8ebc-7d9caa0772b9)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Lehman Lake](https://ontology.bommaritollc.com/id/01a0de2c-cdbc-72d6-a83b-8307dc95559a)
- `geo:hasGeometry`:
  - [point of Lehman Lake](https://ontology.bommaritollc.com/id/01a0ddfe-f2b2-712c-b047-3a598210d06d)
  - [shape of Lehman Lake](https://ontology.bommaritollc.com/id/01a0de2c-cdbc-72d6-a83b-8307dc95559a)
- `geo:hasMetricArea`: 171399.0 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Headwaters Grand River (HUC10 0405000401)](https://ontology.bommaritollc.com/id/01a0de92-1d62-735a-b562-311334647fab)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-bbb6-7481-ae32-efd9ee7bef9b)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-51e6-7707-94d9-f4c9c3d39607)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-16e9-75d3-9f0a-8154e7542c01)
- `schema:containedInPlace`:
  - [Washtenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5a16-75b9-a286-85a89060c472)
  - [Sylvan Township](https://ontology.bommaritollc.com/id/01a0ca47-7cc1-77a8-b471-43988b9695cc)
- `skos:prefLabel`: Lehman Lake

## Elsewhere

- [Wikidata Q88275110](https://www.wikidata.org/wiki/Q88275110) (proposed match (exactMatch))
- [USGS GNIS 630285](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/630285) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.30630&mlon=-84.11999#map=14/42.30630/-84.11999) (42.30630, -84.11999)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.30630,-84.11999)
- [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/Q88275110 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-75d4-7745-82de-fb8e863de6a4)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-bbb6-7481-ae32-efdab6f75b32.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-bbb6-7481-ae32-efdab6f75b32.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-bbb6-7481-ae32-efdab6f75b32.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-bbb6-7481-ae32-efdab6f75b32)
Cite as: Lehman Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-bbb6-7481-ae32-efdab6f75b32
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.