History
US mapping and charting efforts remained relatively unchanged until World War I, when aerial photography became a major contributor to battlefield intelligence. Using stereo viewers, photointerpreters reviewed thousands of images. Many of these were of the same target at different angles and times, giving rise to what became modern imagery analysis and mapmaking.
Read more about this topic: National Geospatial-Intelligence Agency
Famous quotes containing the word history:
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—Frances A. Griffin, U.S. suffragist. As quoted in History of Woman Suffrage, vol. 4, ch. 19, by Susan B. Anthony and Ida Husted Harper (1902)
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—William Howard Taft (1857–1930)
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Ireland’s history in their lineaments trace;
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