Marsh, William M. Environmental geography : science, land use, and earth systems / William M.Marsh,John Grossa. - 2nd ed / . - New York : John Wiley , 2002. - xii,426p. : ills.,fig.,table,color photo ; 26cm . NULL ISBN: 0471345229 USD21.95 Subjects--Index Terms: ENVIRONMENTAL SCIENCE Dewey Class. No.: 363.7 / MAR/E