# shape of North Helmer Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-ddb1-7099-8416-8ef7851da299>

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

Location: 44.73851, -84.04773 (box -84.04970, 44.73716, -84.04576, 44.73986; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 1621043](https://ontology.bommaritollc.com/id/01a0de2c-ddb2-7190-a1c8-3ca151b1f78e)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-84.04576 44.739634, -84.047405 44.739864, -84.049439 44.738908, -84.0497 44.738282, -84.049058 44.737824, -84.04912 44.737165, -84.046912 44.737417, -84.04576 44.739634))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-ddb1-7099-8416-8ef61fe86f70)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.73851&mlon=-84.04773#map=14/44.73851/-84.04773) (44.73851, -84.04773)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.73851,-84.04773)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [North Helmer Lake](https://ontology.bommaritollc.com/id/01a0ddfe-d6b9-7148-bef1-90fe759f2d31)
- Geometry of (1; `geo:hasGeometry`):
  - [North Helmer Lake](https://ontology.bommaritollc.com/id/01a0ddfe-d6b9-7148-bef1-90fe759f2d31)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-ddb1-7099-8416-8ef7851da299.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-ddb1-7099-8416-8ef7851da299.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-ddb1-7099-8416-8ef7851da299.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-ddb1-7099-8416-8ef7851da299)
Cite as: shape of North Helmer Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-ddb1-7099-8416-8ef7851da299
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.