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Elevation-Derived Hydrography Specifications

By NGP Standards and Specifications

Help Guides and Checklists Document Library

Resource Library

Topology and Network Error Examples

Error Examples

Delineation and Attribution Error Examples

Error Examples

The USGS provides specifications, READ Rules, and additional resources for the acquisition of elevation-derived hydrography (EDH) from distributed 3DEP products for inclusion in the 3D Hydrography Program (3DHP).

Elevation-Derived Hydrography Data Acquisition Specifications

Current Data Acquisition Specifications

Elevation-Derived Hydrography—READ Rules

Current READ Rules

Resources