I will start by saying I have a very limited knowledge of surface and specifically gold mining operations. It would seem you have done some good initial research. Negotiating with a lawyer is a sign that NGM considers your property to have value to the project. Whenever you look at any surface development operation, there are key parcels that allow for greater cost efficiencies in the development. Have they performed any core drilling in the area? In some cases core drilling may indicate areas of higher productivity for the operation. Access can be an efficiency component also. Without diving into the entire project, it would be difficult to highlight efficiencies/values.
I would be interested in talking to you mineral right in Lander. Good luck.