Metadata or "data about data" describe the content, quality, condition, and
other characteristics of data.

Links to metadata for the Navigation Data Center's national data sets:

• Dredging
• Lock Statistics
• Ports and Waterway Facilities
• Waterborne Commerce of the United States
• National Waterway Network

Metadata is served at the USACE Geospatial Data Clearinghouse Node

Other Geospatial Links:

• Federal Geographic Data Committee
• Metadata Training

Comments or Questions Contact:
NDC
U.S. Army Corps of Engineers
Institute for Water Resources
Navigation Data Center
7701 Telegraph Rd
Alexandria, VA 22315
Voice:(703) 428-9061
Fax:(703) 428-6047

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