Mission Statement

"Defenders of the Black Hills is a group of volunteers without racial or tribal boundaries whose mission is to preserve, protect, and restore the environment of the 1851 and 1868 Treaty Territories, Treaties made between the United States and the Great Sioux Nation."




Speaking about radioactive fallout, the late President John F. Kennedy said,

"Even then, the number of children and grandchildren with cancer in their bones, with leukemia in their blood, or with poison in their lungs might seem statistically small to some, in comparison with natural health hazards. But this is not a natural health hazard and it is not a statistical issue. The loss of even one human life, or the malformation of even one baby who may be born long after we are gone, should be of concern to us all. Our children and grandchildren are not merely statistics toward which we can be indifferent."

July 26, 1963 upon signing the ban on above ground nuclear tests



Cave Hills

"The radiation levels in parts I visited with my students were higher than those in the evacuated zones around the Fukushima Nuclear disaster...."  Nuclear Physics Professor Kimberly Kearfott, University of Michigan, in comparing the readings obtained in northwestern South Dakota at the Cave Hills open-pit, abandoned uranium mines.



“It must always be remembered that the various Indian tribes were once independent and sovereign nations, and that their claim to sovereignty long predates that of our own government.”

Thurgood Marshall, US Supreme Court Justice

(McClanahan v. Sate Tax Commission, 1973)


Hello Everyone,

Last week, I participated in the Hearing by the Atomic Safety and Licensing Board on the Crow Butte Resources Uranium Mine License Renewal as an expert witness on behalf of the Oglala Sioux Tribe.  Crow Butte Uranium mine is located near Crawford, NB, just southwest of the Pine Ridge Indian Reservation.