The treaty between the U.S. government and the Navajos was signed in 1868. A copy was recently discovered in a Massachusetts home.
Tribes want specific language in a BLM plan that would prevent drilling near the park, instead of protesting four times a year when the energy industry requests lease sales on certain parcels.
The lawsuit was filed by 295 people and asks for about $75 million to cover lost crops and other damages.
The EPA said this week it is making progress on reviewing about 380 claims for lost income, fallen property values and other losses.
The Bureau of Land Management is consulting with the Navajo Nation before deciding whether or not to sell drilling rights.
The Navajo Nation joins forces with Colorado, New Mexico and three other tribes to help recover endangered fish species.
"It’s just a good place to expand our ranching and provide opportunities to our ranchers to utilize Boyer Ranch and Wolf Springs," says president Russell Begaye.
- The EPA released the results Tuesday, two months after farmers and Navajo officials said the water delivered by a contractor contained oil.Read more