# Marsac Point

Marsac Point is a cape in [Lake Saint Clair](https://ontology.bommaritollc.com/id/01a0ddfe-dc06-74b6-8a7c-a3833210a9e5), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Lake St. Clair (HUC10 0409000210)](https://ontology.bommaritollc.com/id/01a0de92-1ed3-719b-ba19-67738ce6adef) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-dbc8-7763-bd9c-9d9ab9a8b37a>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Lake Saint Clair](https://ontology.bommaritollc.com/id/01a0ddfe-dc06-74b6-8a7c-a3833210a9e5)

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

Location: 42.68364, -82.70631 (box -82.70631, 42.68364, -82.70631, 42.68364; west, south, east, north)

- `adms:identifier`: [gnis 1624713](https://ontology.bommaritollc.com/id/01a0ddfe-dbc9-70b4-a331-a3180b8ccc73)
- `dcterms:type`: [cape](https://ontology.bommaritollc.com/vocab/geo/gnisCape)
- `geo:hasDefaultGeometry`: [point of Marsac Point](https://ontology.bommaritollc.com/id/01a0ddff-192c-710c-b29a-27678f40bd7d)
- `geo:hasGeometry`: [point of Marsac Point](https://ontology.bommaritollc.com/id/01a0ddff-192c-710c-b29a-27678f40bd7d)
- **in watershed** (`bcgeo:inWatershed`): [Lake St. Clair (HUC10 0409000210)](https://ontology.bommaritollc.com/id/01a0de92-1ed3-719b-ba19-67738ce6adef)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-dbc8-7763-bd9c-9d99a68cb9e1)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-6a3d-71fc-b17a-bcf181737ce1)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de86-dcbf-745b-84db-e5e93864754a)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-18b0-70c6-9fac-de35c3a12539)
- `schema:containedInPlace`:
  - [St. Clair County](https://ontology.bommaritollc.com/id/01a0ca47-5a01-72ff-8fe9-1447a694275e)
  - [Ira Township](https://ontology.bommaritollc.com/id/01a0ca47-7cde-7787-894c-e1cc4b0b5469)
  - [Lake Saint Clair](https://ontology.bommaritollc.com/id/01a0ddfe-dc06-74b6-8a7c-a3833210a9e5)
- `skos:prefLabel`: Marsac Point

## Elsewhere

- [USGS GNIS 1624713](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1624713) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.68364&mlon=-82.70631#map=14/42.68364/-82.70631) (42.68364, -82.70631)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.68364,-82.70631)
- [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)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-dbc8-7763-bd9c-9d9ab9a8b37a.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-dbc8-7763-bd9c-9d9ab9a8b37a.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-dbc8-7763-bd9c-9d9ab9a8b37a.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-dbc8-7763-bd9c-9d9ab9a8b37a)
Cite as: Marsac Point. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-dbc8-7763-bd9c-9d9ab9a8b37a
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.