Cairns, J. Dickson, K.L. Herricks, E.E. Recovery and restoration of damaged ecosystems - University Press of Virginia 1977 - 531 - Damaged ecosystems Surface mine recovery Environment protection legislations ISBN: 0-8139-0676-8 = Recovery and restoration of damaged ecosystems Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: 3850 Nat. Bib. Agency Control No.: 577.4 REC Subjects--Topical Terms: Environmental Sciences Universal Decimal Class. No.: 577.4