Pre-release: this release has not been published. Identifiers are permanent; descriptions may still change.

Knowles Drain

Knowles Drain is a canal in Gratiot County, Michigan (4.4 km long), in the Pine Creek-Maple River (HUC10 0405000502) watershed.

https://ontology.bommaritollc.com/id/01a0ddfe-baf3-7158-bcc8-7e9f5e9e875a

Cite this

Knowles Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-baf3-7158-bcc8-7e9f5e9e875a

Drawn from the release's geometry, simplified for the screen; base map © OpenStreetMap contributors or USGS.

Elsewhere

Wikidata Q33202699proposed match (exactMatch)

OpenStreetMap43.20614, -84.81112

Sourceprd-tnm.s3.amazonaws.com

Source3dhp.nationalmap.gov

Sourcehydro.nationalmap.gov

adms:identifier	gnis 629828
dcterms:type	canal
geo:hasDefaultGeometry	shape of Knowles Drain
geo:hasGeometry	point of Knowles Drain shape of Knowles Drain
geo:hasMetricLength	4358.7xsd:double
in watershed	Pine Creek-Maple River (HUC10 0405000502)
prov:wasDerivedFrom	evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames_MI_Text.zip evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer
schema:containedInPlace	Gratiot County New Haven Township North Shade Township
skos:prefLabel	Knowles Drainen