EarthWorks Geospatial Catalog

Global navigation and planning chart, GNC [cartographic material]. 18, [South America] / prepared and published by the Defense Mapping Agency Aerospace Center.

Area shown covers most of South America and part of South Pacific Ocean. "Air information current through 2 August 1985." "Compiled July 1968; revised November 1984." "Lithographed by DMAAC 3-93." Relief shown by shading, tints, and spot heights. Includes area tints diagram, and indexes to GNC series and to JNC coverage. Standard map series designation: Series GNC.
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