digital topographic data
81Liberia — This article is about the country in Africa. For the city, see Liberia, Costa Rica. Republic of Liberia …
82Map projection — A medieval depiction of the Ecumene (1482, Johannes Schnitzer, engraver), constructed after the coordinates in Ptolemy s Geography and using his second map projection A map projection is any method of representing the surface of a sphere or other …
83Mental image — A mental image is an experience that, on most occasions, significantly resembles the experience of perceiving some object, event, or scene, but occurs when the relevant object, event, or scene is not actually present to the senses.[1][2][3][4]… …
84New York State Route 194 — NYS Route 194 Route information Maintained by NYSDOT Length: 9.49 mi[3] …
85Delaware Geological Survey — Abbreviation DGS Motto Geologic and hydrologic research and exploration for Delaware Formation 1954 …
86United States Marine Air-Ground Task Force Reconnaissance — See also: United States Marine Corps Special Operations Capable Forces The United States Marine Corps have many reconnaissance elements that are valuable to a Marine Air Ground Task Force (MAGTF) by providing the force and component commanders [i …
87GEOINT — stands for GEOspatial INTelligence, which is an intelligence discipline comprising the exploitation and analysis of satellite information to describe, assess, and visually depict physical features and geographically referenced activities on the… …
88Raised-relief map — A raised relief map or terrain model is a three dimensional representation, usually of terrain. When representing terrain, the elevation dimension is usually exaggerated by a factor between five and ten; this facilitates the visual recognition of …
89Stereoplotter — A stereoplotter uses stereo photographs to determine elevations. It has been the primary method to plot contour lines on topographic maps since the 1930’s. Although the specific devices have advanced technologically, they are all based on the… …
90Operation Sandblast — Part of Cold War (1953–1962) …
