# Second Sister Lake

Second Sister Lake is a lake in [Ann Arbor](https://ontology.bommaritollc.com/id/01a0ca47-8b67-747b-a662-4cfe84b61c49), [Washtenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5a16-75b9-a286-85a89060c472), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (3.2 ha), in the [Portage River-Huron River (HUC10 0410001303)](https://ontology.bommaritollc.com/id/01a0de92-1f20-7237-a331-eaea07cbf3b1) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c80b-7176-b9fd-bcbfc43f7136>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Washtenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5a16-75b9-a286-85a89060c472) › [Ann Arbor](https://ontology.bommaritollc.com/id/01a0ca47-8b67-747b-a662-4cfe84b61c49)

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

Location: 42.27801, -83.79722 (box -83.79874, 42.27693, -83.79605, 42.27923; west, south, east, north)

- `adms:identifier`: [gnis 637530](https://ontology.bommaritollc.com/id/01a0ddfe-c80b-7176-b9fd-bcc8c4e2e3b4)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Second Sister Lake](https://ontology.bommaritollc.com/id/01a0de2c-d4cd-727a-8b0f-2d716d5859e1)
- `geo:hasGeometry`:
  - [point of Second Sister Lake](https://ontology.bommaritollc.com/id/01a0ddff-0125-7676-af0c-a01e48f7206e)
  - [shape of Second Sister Lake](https://ontology.bommaritollc.com/id/01a0de2c-d4cd-727a-8b0f-2d716d5859e1)
- `geo:hasMetricArea`: 32418.6 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Portage River-Huron River (HUC10 0410001303)](https://ontology.bommaritollc.com/id/01a0de92-1f20-7237-a331-eaea07cbf3b1)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c80b-7176-b9fd-bcbe9f01ad33)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5b33-74d5-ac07-cf92a8c38c32)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1916-77d8-b052-82d45c973730)
- `schema:containedInPlace`:
  - [Washtenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5a16-75b9-a286-85a89060c472)
  - [Ann Arbor](https://ontology.bommaritollc.com/id/01a0ca47-8b67-747b-a662-4cfe84b61c49)
- `skos:prefLabel`: Second Sister Lake

## Elsewhere

- [Wikidata Q88278199](https://www.wikidata.org/wiki/Q88278199) (proposed match (exactMatch))
- [USGS GNIS 637530](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/637530) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.27801&mlon=-83.79722#map=14/42.27801/-83.79722) (42.27801, -83.79722)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.27801,-83.79722)
- [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/Q88278199 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-770b-704b-8758-5f12496560be)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c80b-7176-b9fd-bcbfc43f7136.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c80b-7176-b9fd-bcbfc43f7136.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c80b-7176-b9fd-bcbfc43f7136.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c80b-7176-b9fd-bcbfc43f7136)
Cite as: Second Sister Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-c80b-7176-b9fd-bcbfc43f7136
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.