# shape of Big Marsh

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-d9df-7143-baca-b3aab3edc4e7>

Type: [geo:Geometry](http://www.opengis.net/ont/geosparql#Geometry)

Location: 44.63858, -83.69647 (box -83.69978, 44.63597, -83.69316, 44.64120; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 1617094](https://ontology.bommaritollc.com/id/01a0de2c-d9df-7143-baca-b3b0c553bc6e)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-83.698655 44.638653, -83.698351 44.637926, -83.697114 44.63825, -83.698765 44.636513, -83.699622 44.636578, -83.699779 44.635967, -83.698727 44.636058, -83.696688 44.637921, -83.69635 44.638856, -83.693485 44.640305, -83.693155 44.640917, -83.695256 44.641202, -83.695563 44.640535, -83.69758 44.639185, -83.697694 44.638409, -83.698236 44.638274, -83.698655 44.638653))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-d9de-70f2-a9a4-19285f965032)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.63858&mlon=-83.69647#map=14/44.63858/-83.69647) (44.63858, -83.69647)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.63858,-83.69647)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Big Marsh](https://ontology.bommaritollc.com/id/01a0ddfe-d019-774d-a694-a1c5e5ad51f3)
- Geometry of (1; `geo:hasGeometry`):
  - [Big Marsh](https://ontology.bommaritollc.com/id/01a0ddfe-d019-774d-a694-a1c5e5ad51f3)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-d9df-7143-baca-b3aab3edc4e7.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-d9df-7143-baca-b3aab3edc4e7.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-d9df-7143-baca-b3aab3edc4e7.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-d9df-7143-baca-b3aab3edc4e7)
Cite as: shape of Big Marsh. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-d9df-7143-baca-b3aab3edc4e7
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.