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Public-images-osm logo.svg nhd:com_id
Identifier of object in National Hydrography Dataset Show/edit corresponding data item.
Group: references
Used on these elements
use on nodes unspecifieduse on ways unspecifieduse on areas unspecifiedshould not be used on relations (except multipolygon relations)
Status: imported

Meaning and usefulness of this key is unclear. National Hydrography Dataset documentation page sadly is missing this info.

Described as "Common identifier of an NHD feature or relationship" in

Relation to reach code nhd:reach_code=* is unclear, but it appears that single NHD feature consists of one and more reaches.

See also

External links