What is the coverage of the NED?
• The NED 1-arc-second dataset covers the conterminous United States, Hawaii, small areas of Alaska, Puerto Rico, Territorial Islands of the United States, and Mexico. • The NED 1/3-arc-second dataset covers the conterminous United States, Hawaii, small areas of Alaska, and Territorial Islands of the United States. • The NED 1/9-arc-second dataset covers areas of the conterminous United States and small areas of Alaska. • The NED 2-arc-second dataset covers the state of Alaska. As demonstrated above the NED coverage varies depending on the collection. The coverage areas are also subject to increases due to the additions of new datasets. The NED spatial metadata is the most current and reliable source for coverage information. The spatial metadata may be downloaded from the NED Metadata page.
