3D Hydrography Program
type: Thing
description: 3D database of water features in the United States
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additional property: PropertyValue
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  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-23T20:35:54.293167Z
  entity updated at: 2026-05-03T21:19:00.258443+00:00Z
  entity created at: 2026-05-03T14:19:56.472141+00:00Z