Price, L. Greer. An introduction to Grand Canyon geology / Grand Canyon geology by L. Greer Price. - 1st ed. - Grand Canyon, Ariz. : Grand Canyon Association, 1999. - 63 p. : ill. (some col.) ; 23 cm. Includes bibliographical references (p. 62) and index. ISBN: 0938216686 LCCN: 98075044 Subjects--Topical Terms: Geology--Arizona--Grand Canyon. LC Class. No.: QE86.G73 / P75 1999 Dewey Class. No.: 557.9132 PR.A 1999 / 02527