Elevation-Derived Hydrography Specifications

Help Guides and Checklists Document Library

Topology and Network Error Examples

Delineation and Attribution 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 National Hydrography Dataset.

Elevation-Derived Hydrography Specifications

Help Guides and Checklists Document Library

Topology and Network Error Examples

Delineation and Attribution Error Examples

Elevation-Derived Hydrography Acquisition Specifications

Elevation-Derived Hydrography—READ Rules

Resources

Silvia Terziotti

Hydrography Science Applications Lead | Geographer

Christy-Ann M. Archuleta

Elevation-derived Hydrography Applied Researcher

National Hydrography Support

Support for NHD, WBD, & NHDPlus HR

U.S. Department of the Interior