OnDemand - 250K - HYDRO - Dam - Polygon

By NGP Standards and Specifications June 20, 2025

Polygon with dark gray outline and lighter gray fill

Original Thumbnail Medium

Detailed Description

The "OnDemand - 250K - HYDRO - Dam - Polygon" graphic depiction applies to:

Earthen Dam (All types), a Subtype of 250K OnDemand Topo Cartographic Specifications - Hydrography NHDArea feature
Nonearthen Dam (Construction Material = Nonearthen), a Subtype of 250K OnDemand Topo Cartographic Specifications - Hydrography NHDArea feature

Sources/Usage

Public Domain.

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