Official Government Website

Maps and Spatial Data

Map & GIS Data Hub

Find popular and frequently-requested maps, or view the entire map collection. Find data served through the Open Data platform, or learn more about our complete data inventory.

Mapping Evapotranspiration

Understand the computer model that uses Landsat satellite data to compute and map evapotranspiration.

National Hydrography Dataset & Watershed Boundary Dataset

Work with a comprehensive set of digital spatial data that contains information about surface water features such as lakes, ponds, streams, rivers, springs and wells.


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