# shape of Base Line Lake

IRI: <https://ontology.bommaritollc.com/id/01a0de2c-c3ed-7290-904a-a1ff55323b76>

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

Location: 42.42509, -83.89439 (box -83.90311, 42.42021, -83.88566, 42.42997; west, south, east, north)

- `adms:identifier`: [gnis-3dhp-shape 620673](https://ontology.bommaritollc.com/id/01a0de2c-c3ed-7290-904a-a205680588ed)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS84> MULTIPOLYGON (((-83.901478 42.420292, -83.900025 42.420992, -83.89935 42.421932, -83.898911 42.421148, -83.897315 42.420352, -83.89554 42.420544, -83.893678 42.421555, -83.892873 42.420774, -83.890536 42.421041, -83.88566 42.424246, -83.885677 42.425617, -83.886775 42.427262, -83.888709 42.427687, -83.890587 42.429083, -83.892744 42.429974, -83.894025 42.429555, -83.895716 42.427894, -83.898287 42.428242, -83.900445 42.427572, -83.901271 42.428068, -83.901952 42.426666, -83.901216 42.426448, -83.901095 42.425727, -83.90201 42.424677, -83.901287 42.421861, -83.902418 42.422214, -83.903115 42.421524, -83.902075 42.420209, -83.901478 42.420292), (-83.901235 42.427893, -83.900619 42.427447, -83.901237 42.426586, -83.901833 42.426846, -83.901235 42.427893))) (geo:wktLiteral)
- `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-c3ed-7290-904a-a1fe3189480f)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.42509&mlon=-83.89439#map=14/42.42509/-83.89439) (42.42509, -83.89439)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.42509,-83.89439)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Base Line Lake](https://ontology.bommaritollc.com/id/01a0ddfe-aab9-76c3-8ed7-d3d38ce6c61a)
- Geometry of (1; `geo:hasGeometry`):
  - [Base Line Lake](https://ontology.bommaritollc.com/id/01a0ddfe-aab9-76c3-8ed7-d3d38ce6c61a)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-c3ed-7290-904a-a1ff55323b76.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-c3ed-7290-904a-a1ff55323b76.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-c3ed-7290-904a-a1ff55323b76.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-c3ed-7290-904a-a1ff55323b76)
Cite as: shape of Base Line Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-c3ed-7290-904a-a1ff55323b76
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.