Surface mining :
hearing before the Subcommittee on Energy and Mineral Resources of the Committee on Resources, House of Representatives, One Hundred Fourth Congress, first session, on reviewing the issue of state primacy in the regulation of active coal mining operations under the Surface Mining Control and Reclamation Act of 1977 ...

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Item Link Original Source
Full view   4.R 31/3:104-25 Pennsylvania State University
Full view   4.R 31/3:104-53 Pennsylvania State University
Full view   104-25 Purdue University
Full view   104-53 Purdue University