# Ahlman Lake

Ahlman Lake is a lake in [McMillan Township](https://ontology.bommaritollc.com/id/01a0ca47-774e-71b1-9a0c-1325186bd6d8), [Luce County](https://ontology.bommaritollc.com/id/01a0ca47-5c41-7728-b7f8-b3973ec5773e), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (5.1 ha), in the [Tahquamenon River (HUC10 0402020205)](https://ontology.bommaritollc.com/id/01a0de92-1c88-71ed-8ad3-ece6a5751c56) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-a8d2-708d-89ad-af9e10ddbb8a>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Luce County](https://ontology.bommaritollc.com/id/01a0ca47-5c41-7728-b7f8-b3973ec5773e) › [McMillan Township](https://ontology.bommaritollc.com/id/01a0ca47-774e-71b1-9a0c-1325186bd6d8)

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

Location: 46.45085, -85.60008 (box -85.60168, 46.44953, -85.59814, 46.45247; west, south, east, north)

- `adms:identifier`: [gnis 619872](https://ontology.bommaritollc.com/id/01a0ddfe-a8d3-74be-9278-7d2e9d7e949d)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Ahlman Lake](https://ontology.bommaritollc.com/id/01a0de2c-c35b-7373-8f65-9b61d9b3bf96)
- `geo:hasGeometry`:
  - [point of Ahlman Lake](https://ontology.bommaritollc.com/id/01a0ddfe-e181-70b6-a6ea-10176311886d)
  - [shape of Ahlman Lake](https://ontology.bommaritollc.com/id/01a0de2c-c35b-7373-8f65-9b61d9b3bf96)
- `geo:hasMetricArea`: 50668.9 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Tahquamenon River (HUC10 0402020205)](https://ontology.bommaritollc.com/id/01a0de92-1c88-71ed-8ad3-ece6a5751c56)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-a8d2-708d-89ad-af9d4828bd31)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4422-73ed-872a-198f1dc3ca0a)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-15e0-707d-a28c-2d609324bec6)
- `schema:containedInPlace`:
  - [Luce County](https://ontology.bommaritollc.com/id/01a0ca47-5c41-7728-b7f8-b3973ec5773e)
  - [McMillan Township](https://ontology.bommaritollc.com/id/01a0ca47-774e-71b1-9a0c-1325186bd6d8)
- `skos:prefLabel`: Ahlman Lake

## Elsewhere

- [Wikidata Q33225739](https://www.wikidata.org/wiki/Q33225739) (proposed match (exactMatch))
- [USGS GNIS 619872](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/619872) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=46.45085&mlon=-85.60008#map=14/46.45085/-85.60008) (46.45085, -85.60008)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=46.45085,-85.60008)
- [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/Q33225739 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-734a-7524-9896-cb9847e4263c)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-a8d2-708d-89ad-af9e10ddbb8a.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-a8d2-708d-89ad-af9e10ddbb8a.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-a8d2-708d-89ad-af9e10ddbb8a.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-a8d2-708d-89ad-af9e10ddbb8a)
Cite as: Ahlman Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-a8d2-708d-89ad-af9e10ddbb8a
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.