TY - BOOK AU - Plummer,C.C. AU - McGeary,David TI - Physical geology SN - 0697138070 (pbk.) AV - QE28.2 .P73 1993 U1 - 550 20 PY - 1993/// CY - Dubuque, Iowa PB - Wm. C. Brown KW - Physical geology N1 - Includes bibliographical references and index ER -