Coastal Services Center

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Clearinghouses

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Coastal Information Directory
Simultaneously searches various databases throughout the country for coast-related data

GeoData.gov
Part of the Geospatial One-Stop E-Gov initiative providing access to a wide variety of federal, state, and local geospatial data and information.

NASA Global Change Master Directory
Comprehensive directory describing data sets of relevance to global change research

National Map
An online, interactive map service providing public access to high-quality, geospatial data and information from multiple agencies.