Joe,
I was hoping that you would stir some interest with your idea. I had considered the same thing a while back but continuing health issues in the family and work keep me from spending time on projects. I have seen similar tours advertised in other states and think that it would be beneficial for Louisiana. I discussed it with my brother who occasionally drives tour busses for one of the large tour companies. It seems similar tours for other purposes are fairly common. Louisiana certainly does have some highly qualified people who could lead or participate. As you said it would take an industrious organization or individuals. Maybe the State Office of Tourism could help?