# Porterfield Lake

Porterfield Lake is a lake in [Humboldt Township](https://ontology.bommaritollc.com/id/01a0ca47-7284-7756-87c2-7c13d72121ae), [Marquette County](https://ontology.bommaritollc.com/id/01a0ca47-5d65-70a2-917a-e4b27fa24d91), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (14.0 ha), in the [Headwaters Michigamee Creek (HUC10 0403010701)](https://ontology.bommaritollc.com/id/01a0de92-1ca5-7404-bab1-caf404f2939d) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c4e0-77ae-99af-37f1b7769df4>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Marquette County](https://ontology.bommaritollc.com/id/01a0ca47-5d65-70a2-917a-e4b27fa24d91) › [Humboldt Township](https://ontology.bommaritollc.com/id/01a0ca47-7284-7756-87c2-7c13d72121ae)

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

Location: 46.26497, -87.94951 (box -87.95396, 46.26303, -87.94459, 46.26726; west, south, east, north)

- `adms:identifier`: [gnis 635310](https://ontology.bommaritollc.com/id/01a0ddfe-c4e1-7617-84f5-d30ecb5b08aa)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Porterfield Lake](https://ontology.bommaritollc.com/id/01a0de2c-d336-749d-a89e-fb30aa52bd62)
- `geo:hasGeometry`:
  - [point of Porterfield Lake](https://ontology.bommaritollc.com/id/01a0ddfe-fe23-75f5-a896-20407b1920c6)
  - [shape of Porterfield Lake](https://ontology.bommaritollc.com/id/01a0de2c-d336-749d-a89e-fb30aa52bd62)
- `geo:hasMetricArea`: 140229.4 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Headwaters Michigamee Creek (HUC10 0403010701)](https://ontology.bommaritollc.com/id/01a0de92-1ca5-7404-bab1-caf404f2939d)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c4e0-77ae-99af-37f01949b64f)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5921-700a-859c-e5c55650288e)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-15fe-7199-9f5f-cdd2525a8e1a)
- `schema:containedInPlace`:
  - [Marquette County](https://ontology.bommaritollc.com/id/01a0ca47-5d65-70a2-917a-e4b27fa24d91)
  - [Humboldt Township](https://ontology.bommaritollc.com/id/01a0ca47-7284-7756-87c2-7c13d72121ae)
- `skos:prefLabel`: Porterfield Lake

## Elsewhere

- [Wikidata Q88276839](https://www.wikidata.org/wiki/Q88276839) (proposed match (exactMatch))
- [USGS GNIS 635310](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/635310) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=46.26497&mlon=-87.94951#map=14/46.26497/-87.94951) (46.26497, -87.94951)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=46.26497,-87.94951)
- [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/Q88276839 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-76e2-72df-b0d8-e7b4096f115c)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c4e0-77ae-99af-37f1b7769df4.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c4e0-77ae-99af-37f1b7769df4.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c4e0-77ae-99af-37f1b7769df4.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c4e0-77ae-99af-37f1b7769df4)
Cite as: Porterfield Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c4e0-77ae-99af-37f1b7769df4
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.