OnDemand - 250K - HYDRO - Multi-use Hydrography Polygon

By NGP Standards and Specifications June 25, 2025

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The "OnDemand - 250K - HYDRO - Multi-use Hydrography Polygon" graphic depiction applies to:

CanalDitch (NHDArea All types), a Subtype of 250K OnDemand Topo Cartographic Specifications - Hydrography NHDArea feature
CanalDitch (NHDFlowline All types), a Subtype of 250K OnDemand Topo Cartographic Specifications - Hydrography NHDFlowline feature
Estuary (No attributes), a Subtype of 250K OnDemand Topo Cartographic Specifications - Hydrography NHDWaterbody feature
Perennial Lake (All types), a Subtype of 250K OnDemand Topo Cartographic Specifications - Hydrography NHDWaterbody feature
Perennial River (NHDArea All types), a Subtype of 250K OnDemand Topo Cartographic Specifications - Hydrography NHDArea feature
Perennial River (NHDFlowline All types), a Subtype of 250K OnDemand Topo Cartographic Specifications - Hydrography NHDFlowline feature
SeaOcean (No attributes), a Subtype of 250K OnDemand Topo Cartographic Specifications - Hydrography NHDArea feature

Public Domain.