I see that Mount Lam Lam on Guam is also listed. U.S. territories should probably be kept as a separate list from the state highpoints. A correct state highpoint list should only contain 50 listings.
Here's the official list of territories:
District of Columbia
U.S. Minor Islands
The territory list comes from the USGS:
Again I'm only being nitpicky because the summitpost material is so good and this no doubt will become the official source for all this info.