Mapping the Future

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Science  06 Dec 2002:
Vol. 298, Issue 5600, pp. 1874-1875
DOI: 10.1126/science.298.5600.1874

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With its topographic maps falling rapidly out of date, the U.S. Geological Survey wants to draft an ambitious National Map--online. If approved, the National Map would deliver continuously updated data for all the roughly 3000 counties across the United States. But although industry insiders say that the map is a smart idea, collecting and maintaining all these data are daunting tasks.