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The Alexandria Digital Library, together with its follow-on - the Alexandria Digital Earth Prototype Project - is one of the flagship projects of the NSF/NASAA/...Digital Library Initiative. Uniquely among these projects, ADL is a georeferenced library i.e. a library in which the principal mode of access to information is by specifying the location of the information on the surface of the Earth. The most immediate application of this technology is in support of a library of maps, aerial photographs and remote sensing images, and ADL is now run as an operational service by UCSB's map and image library, one of the largest such libraries in the US.