Montgomery, Carla W. creator text Boston McGraw-Hill c2006 7th ed. monographic xix, 540 p. : col. ill., col. maps ; 28 cm. Environmental geology 550 HIL 2006 A032 Or. 0072528168 (acidfree paper) http://www.loc.gov/catdir/toc/ecip0422/2004020080.html http://www.loc.gov/catdir/toc/ecip0422/2004020080.html