"Land Grab Cheats North Dakota Tribes Out of $1 Billion, Suits Allege"
"Native Americans on an oil-rich North Dakota reservation have been cheated out of more than $1 billion by schemes to buy drilling rights for lowball prices, a flurry of recent lawsuits assert. And, the suits claim, the federal government facilitated the alleged swindle by failing in its legal obligation to ensure the tribes got a fair deal."