# shape of Mahaffy Drain

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-cf20-7540-bacc-88ab7f45209d>

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

Location: 42.83848, -83.01276 (box -83.03790, 42.82657, -82.98763, 42.85039; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 631328](https://ontology.bommaritollc.com/id/01a0de2c-cf21-7179-b4ec-ec62d86fd835)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTILINESTRING ((-83.005963 42.837395, -83.004112 42.835902), (-83.028205 42.846391, -83.023183 42.847773, -83.021413 42.847102, -83.017988 42.84711, -83.016182 42.846425, -83.012578 42.845837, -83.011119 42.84369, -83.009076 42.842748, -83.006753 42.840535, -83.006088 42.839335, -83.005963 42.837395), (-83.037896 42.848795, -83.035333 42.850395, -83.034133 42.850283, -83.033078 42.847443, -83.028606 42.84716, -83.028205 42.846391), (-83.004112 42.835902, -83.003187 42.836177, -83.002341 42.835953, -82.994461 42.829591, -82.989701 42.82713, -82.987631 42.826567)) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-cf20-7540-bacc-88aa5b9c77b9)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.83848&mlon=-83.01276#map=14/42.83848/-83.01276) (42.83848, -83.01276)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.83848,-83.01276)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Mahaffy Drain](https://ontology.bommaritollc.com/id/01a0ddfe-bdcd-76ba-b94b-323958f2acf9)
- Geometry of (1; `geo:hasGeometry`):
  - [Mahaffy Drain](https://ontology.bommaritollc.com/id/01a0ddfe-bdcd-76ba-b94b-323958f2acf9)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-cf20-7540-bacc-88ab7f45209d.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-cf20-7540-bacc-88ab7f45209d.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-cf20-7540-bacc-88ab7f45209d.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-cf20-7540-bacc-88ab7f45209d)
Cite as: shape of Mahaffy Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-cf20-7540-bacc-88ab7f45209d
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.