Usually it seems difficult to get "specific" info on the National Parks or a "personal" question about history or culture answered.
I stumbled on this source for specific answers to questions about the NPS that almost seems to encourage questions.
I wonder if the following website and historian/archivist list will be especially active after the Burns' National Park production:
http://www.nps.gov/history/history/askhist.htm
The cure for a fallacious argument is a better argument, not the suppression of ideas.
-- Carl Sagan