hosted by the National Geodetic Survey (NGS)

(All photography by Sean Charles Linehan, Remote Sensing Division)

Visit the Remote Sensing Division to... see how the NGS defines the shoreline of the United States. Use advanced digital photogrammetry software to generate shoreline from aerial photos.	Visit the Geosciences Research Division to... tell your parents and teachers where you were with an annoying number of digits and accuracy as we set up and use GPS (Global Positioning System) receivers to determine our location.
Take the Test Answer the Geodetic Quiz Show Questions!