TY - BOOK AU - Keller,Edward A. TI - Environmental geology SN - 9780321643759 (alk. paper) AV - QE38 .K45 2011 U1 - 550 22 PY - 2011/// CY - Upper Saddle River, N.J. PB - Pearson Prentice Hall KW - Environmental geology KW - Textbooks N1 - Includes bibliographical references and index ER -