- This layer was created by combining an anchorage berth dataset digitized from NOAA nautical charts by MassGIS/CZM and selected anchorage areas extracted from NOAA's ENC Direct to GIS web portal. The anchorage berth dataset contains a polygon digitized based on the locations of individual berths. These individual berths are mapped in the nautical chart lines data layer developed by Photo Science Inc. of Gaithersburg, Maryland for the Massachusetts Office of Coastal Zone Management. 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-navigational purposes using Internet mapping service technology. An anchorage area is an area in which vessels anchor or may anchor (IHO Dictionary, S-32, 5th Edition, 130).
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