Elevation-Derived Hydrography READ Rules: Sea/ocean NHD International Borders

By NGP Standards and Specifications 2021 (approx.)

A map showing the US/Canadian border in dashed lines and elevation-derived Sea/ocean feature in red hash lines.

Original Thumbnail Medium

Detailed Description

Example of where the Sea/ocean polygon should end when the NHD coastline is used as a reference.

Sources/Usage

Public Domain.

Was this page helpful?