wbtravis, thanks for the comments. I have two followup comments:

> Range of dates...This makes a lot of sense but my guess this is nightmare for IT people.

I'm in IT, and any software developer worth his or her salt can write the code to step through a calendar and process a sequence of dates.  The bigger deal is changing their online application page to allow for the entry of the first and last dates in each range, but that is not a huge task, either.

> Unwanted dates...Once the lottery is finished, they should be handled just like other forest reservations. That way you will not need to be a rocket scientist to figure out the rules.

I'm not a rocket scientist, so I don't quite understand what you meant here. Maybe you could explain it more? How are other reservations handled... are there refunds, partial refunds, or what?