Tornado Alley (PROG)

[ForReal]

The indians own approximately 44 million acres, with another 11 million in trust. It is not American, it is their land.

Where did you get those numbers? A link please?
If the pipeline is crossing private property, bought and paid for by any American citizen, they have some rights. Unless (for the good of the country/community) eminent domain may apply.
The reservation land, under stewardship of the U.S. Government, allows the government to put a pipeline across it.