USGS National Map

Comprehensive elevation, hydrography, and geographic data for the entire US.

Geographic / GIS DataPublicFreeAPI

Data overview

Description, fields, and how we track updates on the provider’s site.

Description

The USGS National Map provides foundational geographic data for the United States including elevation models, hydrography, transportation networks, and boundary data. Essential for GIS analysis and spatial planning.

Update frequency

Data updated: Continuous

Update history

We scan the provider’s site weekly. New findings appear here. Headlines are AI-summarized — follow the source link to verify.

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This description was generated by an AI that visited www.usgs.gov/national-park-service/national-map and used a prompt on its data to produce consistent output. If there are errors, please .