TY - BOOK AU - Keller,Edward A. TI - Environmental geology SN - 0130224669 AV - QE38 .K45 2000 U1 - 304.2 21 PY - 2000/// CY - Upper Saddle River, N.J. PB - Prentice Hall KW - Environmental geology N1 - Includes bibliographical references and index ER -