National Imagery and Mapping Agency
U.S. government agency established in 1996 to provide imagery, mapping, and geospatial intelligence; renamed the National Geospatial-Intelligence Agency (NGA) in 2003.
Books
This list of books are ONLY the books that have been ranked on the lists that are aggregated on this site. This is not a comprehensive list of all books by this author.
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1. The American Practical Navigator
A comprehensive mariner’s manual combining practical guidance, reference tables and mathematical methods for navigation at sea, covering celestial and electronic navigation, piloting, chartwork, tides and currents, compass adjustment, meteorology and safety procedures; it serves as an authoritative handbook of formulas, tables, instrument use and best practices for safe and accurate passage planning and ship handling.