# The Sag

The Sag is a bay in [Ferrysburg](https://ontology.bommaritollc.com/id/01a0ca47-ad81-74e2-ba43-7a6ce31f3d57), [Ottawa County](https://ontology.bommaritollc.com/id/01a0ca47-5954-7486-8da7-cf2bc9c3e02e), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (442 m long), in the [Grand River (HUC10 0405000607)](https://ontology.bommaritollc.com/id/01a0de92-1d92-7092-a09d-313b4d500fed) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-cc0b-72b2-8c59-0964437dc741>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Ottawa County](https://ontology.bommaritollc.com/id/01a0ca47-5954-7486-8da7-cf2bc9c3e02e) › [Ferrysburg](https://ontology.bommaritollc.com/id/01a0ca47-ad81-74e2-ba43-7a6ce31f3d57)

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

Location: 43.07918, -86.23339 (box -86.23443, 43.07673, -86.23238, 43.08041; west, south, east, north)

- `adms:identifier`: [gnis 1614721](https://ontology.bommaritollc.com/id/01a0ddfe-cc0b-72b2-8c59-096db795c164)
- `dcterms:type`: [bay](https://ontology.bommaritollc.com/vocab/geo/gnisBay)
- `geo:hasDefaultGeometry`: [shape of The Sag](https://ontology.bommaritollc.com/id/01a0de2c-d745-75ed-bd7f-337208a9b513)
- `geo:hasGeometry`:
  - [point of The Sag](https://ontology.bommaritollc.com/id/01a0ddff-065a-777f-ae7f-e5d07384750a)
  - [shape of The Sag](https://ontology.bommaritollc.com/id/01a0de2c-d745-75ed-bd7f-337208a9b513)
- `geo:hasMetricLength`: 442.5 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Grand River (HUC10 0405000607)](https://ontology.bommaritollc.com/id/01a0de92-1d92-7092-a09d-313b4d500fed)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-cc0b-72b2-8c59-0963ab8b97de)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5e48-7011-bded-1957c8586fbd)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-172e-71af-ae3f-c819640b21e2)
- `schema:containedInPlace`:
  - [Ottawa County](https://ontology.bommaritollc.com/id/01a0ca47-5954-7486-8da7-cf2bc9c3e02e)
  - [Ferrysburg](https://ontology.bommaritollc.com/id/01a0ca47-ad81-74e2-ba43-7a6ce31f3d57)
- `skos:prefLabel`: The Sag

## Elsewhere

- [Wikidata Q33604360](https://www.wikidata.org/wiki/Q33604360) (proposed match (exactMatch))
- [USGS GNIS 1614721](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1614721) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.07918&mlon=-86.23339#map=14/43.07918/-86.23339) (43.07918, -86.23339)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.07918,-86.23339)
- [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/Q33604360 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-77d6-75cb-94ce-c53ad1f0053a)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-cc0b-72b2-8c59-0964437dc741.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-cc0b-72b2-8c59-0964437dc741.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-cc0b-72b2-8c59-0964437dc741.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-cc0b-72b2-8c59-0964437dc741)
Cite as: The Sag. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-cc0b-72b2-8c59-0964437dc741
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.