Hopkins, Ralph Lee Hiking the Southwest's geology : Four Corners Region / Ralph Lee Hopkins. - 1st ed. - Seattle : Mountaineers Books, c2002. - 286 p. : col. ill., maps ; 24 cm. Includes bibliographical references and index. ISBN: 0898868564 (pbk.) LCCN: 2002008328 Subjects--Topical Terms: Hiking--Four Corners Region--Guidebooks.Geology--Four Corners Region--Guidebooks. Subjects--Geographic Terms: Four Corners Region--Guidebooks. LC Class. No.: GV199.42.F68 / H66 2002 Dewey Class. No.: 917.925904 Hop 48