South Dakota Gov. Larry Rhoden signed bills Wednesday transferring an old hydroelectric plant in Spearfish Canyon to a ...

Department of Environmental Quality says it is crafting a plan to prevent "further degradation from human activity." The post State weighs damage Seminoe ‘pumped water’ project might cause popular ...

Add Yahoo as a preferred source to see more of our stories on Google. A sign identifies the Homestake Mining Co. Hydro Electric Plant No.2, built in 1917, in Spearfish Canyon. (Photo courtesy of the ...

Gov. Larry Rhoden on Wednesday morning signed into law House Bill 1052 which transfers the ownership of a historic hydroelectric plant from the state to the Spearfish Canyon ...