earth revealed McGeary, David. creator Plummer, Charles C. text Dubuque, IA Wm.C. Brown Publishers c1992 monographic xvi, 550 p. : figs. and tables ; 28 cm. David McGeary [and] Charles C. Plummer. Includes appendices, glossary and index. Geology 551 M478 1992 0-697-12687-0