Update your bookmarks:
The KP Page is now located at
http://www.math.colostate.edu/~deconinc/kp.html
Other possible addresses:
http://www.math.colostate.edu/~deconinc/kp.html
http://www.math.colostate.edu/~deconinc/kp/
http://www.math.colostate.edu/~deconinc/kp/waterwaves.html
http://www.math.colostate.edu/~deconinc/kp/waterwaves/