National Geospatial-Intelligence Agency Nautical Charts in EarthWorks

National Geospatial-Intelligence Agency Nautical Charts

Author(s): Land Info (Firm)
Description: This collection contains Geographic (Lat/Long) WGS84 cropped/collarless DRGs (Digital Raster Graphics -- geo-referenced color scans) of a global set (not including North America) of NGA nautical charts. Title supplied by cataloger. System requirements: Geographic Information Systems (GIS) software.
Publisher: Land Info (Firm)
Place(s): Earth (Planet)
Subject(s): Nautical charts
Held by: Stanford
More details at: https://purl.stanford.edu/qt609tt2964

Use and reproduction: Land Info grants customer unlimited license for internal academic use of data and license to distribute data on an isolated non-commercial basis, or as Derived Works. Derived works that include the source data must be merged with other value-added data in such a way that the derived work can't be converted back to the original source data format. Other Derived Works that don't include the source data (vector extraction, classification etc.) have no restrictions on use and distribution. An unlimited license is granted for media use, provided that the following citation is used: "map data courtesy www.landinfo.com."