Pipkin , Bernard W. Geology and the environment / Bernard Pipkin, D.D.Trent, Richard Hazlett. - 4th ed. - Melbourne : Thomson/ Brooks/Cole, 2005. - xvi, 473 p. : ill. ; 28 cm. Include bibliograpical references and index ISBN: 0534490514( Students ed.) Subjects--Topical Terms: Environmental geology.-------- Dewey Class. No.: Q 550 PIP