a study of interrelationships Enger, Eldon D. creator Smith, Bradley F. Bockarie, Anne Todd. text Boston McGraw-Hill ℗♭2006 10th ed. / monographic xxv, 476, 9, 2, 16 pages : color illustrations, color maps ; 29 cm 2005 State Textbook Adoption - Rowan/Salisbury. Includes index. Environmental sciences Environmental sciences 363 MCG 2006 A076 Or. 007252829X 9780072528299 0071117083 9780071117081 0072970480 9780072970487 http://catdir.loc.gov/catdir/toc/ecip0422/2004019843.html http://catdir.loc.gov/catdir/toc/ecip0422/2004019843.html