Contains a 513 and a 2049 size terrain files for Terragen. Plus the original DEM file
if you with to convert it your self.
There also is the original DEM converted
to a terragen (.terr) file.
This WAS the DEM of De Long Island AK, courtesy of webgis.com
After playing around in World Machine
and Terragen, it really does not look much like the Island any more, but it still is fun to play with.