# shape of Helwig Drain

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-cbc0-7564-a457-17bbff4035ad>

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

Location: 43.17926, -84.80602 (box -84.80772, 43.16985, -84.80433, 43.18868; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 628071](https://ontology.bommaritollc.com/id/01a0de2c-cbc0-7564-a457-17c183da30ea)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTILINESTRING ((-84.807687 43.17634, -84.807683 43.177054), (-84.807683 43.177054, -84.80757 43.18406, -84.80552 43.184113, -84.805498 43.188177, -84.804326 43.188675), (-84.807717 43.169849, -84.807687 43.17634)) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-cbc0-7564-a457-17ba52e2ed3a)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.17926&mlon=-84.80602#map=14/43.17926/-84.80602) (43.17926, -84.80602)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.17926,-84.80602)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Helwig Drain](https://ontology.bommaritollc.com/id/01a0ddfe-b81b-7073-8069-13e62ee16515)
- Geometry of (1; `geo:hasGeometry`):
  - [Helwig Drain](https://ontology.bommaritollc.com/id/01a0ddfe-b81b-7073-8069-13e62ee16515)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-cbc0-7564-a457-17bbff4035ad.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-cbc0-7564-a457-17bbff4035ad.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-cbc0-7564-a457-17bbff4035ad.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-cbc0-7564-a457-17bbff4035ad)
Cite as: shape of Helwig Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-cbc0-7564-a457-17bbff4035ad
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.