John Hasler <[EMAIL PROTECTED]> quotes Title 17: > (b) The copyright in a compilation or derivative work extends only to > the material contributed by the author of such work, as distinguished > from the preexisting material employed in the work, and does not imply > any exclusive right in the preexisting material. The copyright in such > work is independent of, and does not affect or enlarge the scope, > duration, ownership, or subsistence of, any copyright protection in > the preexisting material.
But there is no copyright on U.S. Government issued materials, nor on public domain materials, so this paragraph isn't really relevant. -- Raul