# Alcona Dam Pond

Alcona Dam Pond is a reservoir in [Curtis Township](https://ontology.bommaritollc.com/id/01a0ca47-60f5-7082-b8b4-610b87be8c65), [Alcona County](https://ontology.bommaritollc.com/id/01a0ca47-59b8-7700-8c5c-af7c3d92657c), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (3.9 km²), in the [Au Sable River (HUC10 0407000707)](https://ontology.bommaritollc.com/id/01a0de92-1e4c-76a8-8d59-4a9de4f767ce) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-d16c-7412-a440-bab0d1933f72>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Alcona County](https://ontology.bommaritollc.com/id/01a0ca47-59b8-7700-8c5c-af7c3d92657c) › [Curtis Township](https://ontology.bommaritollc.com/id/01a0ca47-60f5-7082-b8b4-610b87be8c65)

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

Location: 44.56974, -83.81636 (box -83.83637, 44.56196, -83.79637, 44.59462; west, south, east, north)

- `adms:identifier`: [gnis 1619004](https://ontology.bommaritollc.com/id/01a0ddfe-d16d-7660-b3d9-2e317a456c72)
- `dcterms:type`: [reservoir](https://ontology.bommaritollc.com/vocab/geo/gnisReservoir)
- `geo:hasDefaultGeometry`: [shape of Alcona Dam Pond](https://ontology.bommaritollc.com/id/01a0de2c-da4b-7555-b819-0316a9a8bff3)
- `geo:hasGeometry`:
  - [point of Alcona Dam Pond](https://ontology.bommaritollc.com/id/01a0ddff-0e06-7663-a3f8-745f2edbef73)
  - [shape of Alcona Dam Pond](https://ontology.bommaritollc.com/id/01a0de2c-da4b-7555-b819-0316a9a8bff3)
- `geo:hasMetricArea`: 3923427.5 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Au Sable River (HUC10 0407000707)](https://ontology.bommaritollc.com/id/01a0de92-1e4c-76a8-8d59-4a9de4f767ce)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-d16c-7412-a440-baafe2af6236)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-626d-7241-8fb9-8cc4ad63b1ec)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-180f-74b3-80dc-a94bffb098d0)
- `schema:containedInPlace`:
  - [Alcona County](https://ontology.bommaritollc.com/id/01a0ca47-59b8-7700-8c5c-af7c3d92657c)
  - [Curtis Township](https://ontology.bommaritollc.com/id/01a0ca47-60f5-7082-b8b4-610b87be8c65)
- `skos:altLabel`:
  - Alcona Reservoir
  - Bamfield Dam Pond
  - Bamfield Pond
  - Mack L Bamfield Pond
- `skos:prefLabel`: Alcona Dam Pond

## Elsewhere

- [Wikidata Q4713348](https://www.wikidata.org/wiki/Q4713348) (proposed match (exactMatch))
- [USGS GNIS 1619004](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1619004) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.56974&mlon=-83.81636#map=14/44.56974/-83.81636) (44.56974, -83.81636)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.56974,-83.81636)
- [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

- Flowing into it (2; `bcgeo:flowsInto`):
  - [Bamfield Creek](https://ontology.bommaritollc.com/id/01a0ddfe-d1e2-766d-a9a0-81e6c69fa21f)
  - [Wilbur Creek](https://ontology.bommaritollc.com/id/01a0ddfe-d9bb-73a6-82b6-59000ddc34ec)
- Mappings (1; `owl:annotatedSource`):
  - [exactMatch http://www.wikidata.org/entity/Q4713348 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-782f-758d-8387-ffa91a0ef715)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-d16c-7412-a440-bab0d1933f72.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-d16c-7412-a440-bab0d1933f72.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-d16c-7412-a440-bab0d1933f72.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-d16c-7412-a440-bab0d1933f72)
Cite as: Alcona Dam Pond. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-d16c-7412-a440-bab0d1933f72
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.