The type of wood makes a huge difference. If its got a bunch of pine, that's one thing, if it's full of old straight hardwood with no branches for the first 30-40 feet and 2-3 feet diameter, it's big bucks. Have you seen the price of a clear poplar board at Home Depot or Lowes? There's no way to even guess at a number from the info we have. As for any gas wells that may be there, they won't own them. The royalties may transfer but not the rights.