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Annual report ... of the Secretary of the Interior under the Surface Mining Control and Reclamation

United States. Office of Surface Mining Reclamation and Enforcement.
Washington, D.C. : The Office, 1979-[1982] 1981

Annual report ... of the Secretary of the Interior under the Surface Mining Control and Reclamation

United States. Office of Surface Mining Reclamation and Enforcement.
Washington, D.C. : U.S. Dept. of the Interior, Office of Surface Mining Reclamation and Enforcement, 1978-1981. 1981

Office of Surface Mining annual report

United States. Office of Surface Mining Reclamation and Enforcement.
Washington, D.C. : U.S. Dept. of the Interior, Office of Surface Mining, 1990- 1989