Davidson, Jon P. Exploring earth : an introduction to physical geology / Jon P. Davidson, Walter E. Reed, Paul M. Davis. - 2nd ed. - Upper Saddle River, NJ : Prentice Hall, c2002. - xxii, 549 p. : col. ill., col. maps ; 28 cm. Includes index. ISBN: 0130183725 (alk. paper) Subjects--Topical Terms: Physical geology. LC Class. No.: QE28.2 / .D375 2002