# Porcupine Lakes

Porcupine Lakes is a lake in [Elmira Township](https://ontology.bommaritollc.com/id/01a0ca47-6e9b-7037-bc6b-dfeef705da10), [Otsego County](https://ontology.bommaritollc.com/id/01a0ca47-5dbc-76a7-9cd6-a55d33bece50), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (6.6 ha), in the [North Branch Au Sable River (HUC10 0407000702)](https://ontology.bommaritollc.com/id/01a0de92-1e41-7775-935e-254be29a1796) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-a897-72e3-ab72-1cbe061e423a>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Otsego County](https://ontology.bommaritollc.com/id/01a0ca47-5dbc-76a7-9cd6-a55d33bece50) › [Elmira Township](https://ontology.bommaritollc.com/id/01a0ca47-6e9b-7037-bc6b-dfeef705da10)

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

Location: 45.06504, -84.75364 (box -84.75521, 45.06242, -84.75254, 45.06714; west, south, east, north)

- `adms:identifier`: [gnis 619765](https://ontology.bommaritollc.com/id/01a0ddfe-a899-77bb-8d2b-45e0849f2403)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Porcupine Lakes](https://ontology.bommaritollc.com/id/01a0de2c-c33d-75b6-9955-4a2895cc52a1)
- `geo:hasGeometry`:
  - [point of Porcupine Lakes](https://ontology.bommaritollc.com/id/01a0ddfe-e169-764a-b90e-d2234efc2f07)
  - [shape of Porcupine Lakes](https://ontology.bommaritollc.com/id/01a0de2c-c33d-75b6-9955-4a2895cc52a1)
- `geo:hasMetricArea`: 66447.8 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [North Branch Au Sable River (HUC10 0407000702)](https://ontology.bommaritollc.com/id/01a0de92-1e41-7775-935e-254be29a1796)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-a897-72e3-ab72-1cbd1c759265)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-43fe-7076-8eee-3692bb9be002)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1803-7303-9b50-f00bbfd45585)
- `schema:containedInPlace`:
  - [Otsego County](https://ontology.bommaritollc.com/id/01a0ca47-5dbc-76a7-9cd6-a55d33bece50)
  - [Elmira Township](https://ontology.bommaritollc.com/id/01a0ca47-6e9b-7037-bc6b-dfeef705da10)
- `skos:prefLabel`: Porcupine Lakes

## Elsewhere

- [Wikidata Q33300219](https://www.wikidata.org/wiki/Q33300219) (proposed match (exactMatch))
- [USGS GNIS 619765](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/619765) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=45.06504&mlon=-84.75364#map=14/45.06504/-84.75364) (45.06504, -84.75364)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=45.06504,-84.75364)
- [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/Q33300219 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7347-71c8-92ba-40f6701a66c6)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-a897-72e3-ab72-1cbe061e423a.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-a897-72e3-ab72-1cbe061e423a.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-a897-72e3-ab72-1cbe061e423a.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-a897-72e3-ab72-1cbe061e423a)
Cite as: Porcupine Lakes. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-a897-72e3-ab72-1cbe061e423a
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.