OnDemand - 100K - HYDRO - Multi-Purpose Hydro - Polygon

By NGP Standards and Specifications July 15, 2025

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The "OnDemand - 100K - HYDRO - Multi-Purpose Hydro - Polygon" graphic depiction applies to:

BayInlet (No attributes), a subtype of 100K OnDemand Topo Cartographic Specifications - Hydrography NHDArea feature.
CanalDitch (All types), a subtype of 100K OnDemand Topo Cartographic Specifications - Hydrography NHDArea feature.
CanalDitch (All types), a subtype of 100K OnDemand Topo Cartographic Specifications - Hydrography NHDFlowline feature.
Estuary (No attributes), a subtype of 100K OnDemand Topo Cartographic Specifications - Hydrography NHDWaterbody feature.
Flume (No attributes), a subtype of 100K OnDemand Topo Cartographic Specifications - Hydrography NHDArea feature.
Perennial Waterbody (All types), a subtype of 100K OnDemand Topo Cartographic Specifications - Hydrography NHDWaterbody feature.
SeaOcean (No attributes), a subtype of 100K OnDemand Topo Cartographic Specifications - Hydrography NHDArea feature.
StreamRiver (Hydrographic Category = Perennial; No attributes), a subtype of 100K OnDemand Topo Cartographic Specifications - Hydrography NHDArea feature.
StreamRiver (Hydrographic Category = Perennial; No attributes), a subtype of 100K OnDemand Topo Cartographic Specifications - Hydrography NHDFlowline feature.

Public Domain.