Reports & Expert Testimony

The following links are documents or links to reports, expert testimony and lawsuit documents for your information and research.  Thank you for protecting water in the Black Hills, and for future generations.


CI Opposition to Motion Summary Disposition 09012017 PDF (for download)


Oglala Sioux Tribe Response to Summary Disposition with Exhibits (for download)


OST vs U.S. Nuclear Regulatory Commission: The Oglala Sioux Tribe’s Federal Court Lawsuit (for download)


Scoping Summary Report- Supplemental Environmental Impact Statement for the Proposed Kendrick Expansion Project Crook County, Wyoming


Robert E. Moran PhD, Water Quality/Hydrogeology/Geochemistry – Supplemental Declaration before the Atomic Safety and Licensing Board


CHEYENNE RIVER STUDY SHOWS ELEVATED URANIUM IN ANGOSTURA RESERVOIR Press Release…Read More.

For the full CHEYENNE RIVER STUDY click here. Recent research by two South Dakota School of Mines and Technology scientists and a scientist from California State University-Fresno confirmed what we have long suspected – that elevated uranium levels are present in Angostura Reservoir in the southern Black Hills. The study tested stream sediments along the Cheyenne River watershed from old abandoned uranium mines to Angostura Reservoir.


McLean Testimony on Toxicity of Uranium for Crow Butte Mine NRC Hearing


Dr. Hannan LaGarry’s testimony covering geological information about water protection on the proposed Dewey-Burdock in situ leach uranium mine site in Custer and Fall River Counties


IN SITU LEACH URANIUM MINING AND WATER WHAT DO WE KNOW?

This little booklet will provide you with more information about In situ leach mining (ISL).  ISL will only work when a uranium deposit is located in a groundwater aquifer. Basically, water is used as a mining tool.

Wells are drilled into a uranium ore deposit in a grid pattern.  Water mixed with sodium bicarbonate concentrate and oxygen – called “lixiviant” — is pumped down into the deposit and through the uranium ore.  It leaches the uranium and other heavy metals out of the rock, so they can be pumped to the surface of the ground. Read more: WaterBooklet-bhcwa