State and federal officials are negotiating how they will go about reappraising valuable state land in Grand Teton National Park that may be swapped for federal land elsewhere in Wyoming.

The two parcels measuring a square mile each would be valued at around $100 million if the results of a 2010 appraisal hold.

The land owned by Wyoming since statehood never has been incorporated into Grand Teton. State officials complain the land generates little revenue for Wyoming despite its prime location.

In 2010, Gov. Dave Freudenthal threatened to sell the land on the open market. Later that year, the Interior Department agreed to buy Wyoming's remaining park holdings for $107 million.

The purchase deal has fallen through, prompting officials to discuss a possible land swap instead.