Economic and environmental evaluations of extractable coal resources conducted by the U.S. Geological Survey [[electronic resource]]

• Pubblicazione: [Reston, Va.] : , : U.S. Dept. of the Interior, U.S. Geological Survey, , [2001]
• Descrizione fisica: 2 unnumbered pages : digital, PDF file
• Soggetto topico: Coal reserves - United States; Coal mines and mining - Environmental aspects - United States
• Note generali: Title from title screen (viewed on Aug. 22, 2008).; "November 2001."
• Nota di bibliografia: Includes bibliographical references.
• Titolo autorizzato: Economic and environmental evaluations of extractable coal resources conducted by the U.S. Geological Survey
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910697475003321
• Lo trovi qui: Univ. Federico II