The three members of South Dakota’s congressional delegation opposed it.

The state legislature passed a resolution against it.

City councils in the Black Hills area passed resolutions against it.

The argument made by opponents was partly about economic impact — the Black Hills generated tourism revenue, mineral extraction value, and timber — and partly about the sheer political toxicity, in South Dakota, of any proposal that appeared to transfer territory to the Sioux.

Senator Bradley reintroduced the bill in 1987.

It again failed to advance.