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Hardrock mining : issues relating to abandoned mine lands and uranium mining : hearing before the Co

United States. Congress. Senate. Committee on Energy and Natural Resources.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2008. 2008

Oversight hearing to consider whether potential liability deters abandoned hardrock mine cleanup : h

United States. Congress. Senate. Committee on Environment and Public Works.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2009. 2009