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Federal
Shipping Fairways, Lanes, and Zones for US waters
National Oceanic and Atmospheric Administration, Department of Commerce —
Various shipping zones delineate activities and regulations for marine vessel traffic. Traffic lanes define specific traffic flow, while traffic separation zones... -
Federal
NOAA ENC Direct to GIS: Dredged Area
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA's ENC Direct to GIS web portal provides comprehensive access to display, query, and download all available NOAA ENC data in a variety of GIS/CAD formats for non-...