Zwinger, Ann.
Downcanyon : a naturalist explores the Colorado River through the Grand Canyon / Ann Haymond Zwinger ; with drawings by the author. - Tucson : University of Arizona Press, c1995. - viii, 318 p. : ill., maps ; 25 cm.
Includes bibliographical references (p. [245]-299) and index.
0816511632 (cloth : alk. paper) 0816515565 (paper : alk. paper)
95007005
Zwinger, Ann.
Natural history--Arizona--Grand Canyon.
Natural history--Colorado River (Colo.-Mexico)
Grand Canyon (Ariz.)
Colorado River (Colo.-Mexico)
QH105.A65 / Z95 1995
508.7913
Downcanyon : a naturalist explores the Colorado River through the Grand Canyon / Ann Haymond Zwinger ; with drawings by the author. - Tucson : University of Arizona Press, c1995. - viii, 318 p. : ill., maps ; 25 cm.
Includes bibliographical references (p. [245]-299) and index.
0816511632 (cloth : alk. paper) 0816515565 (paper : alk. paper)
95007005
Zwinger, Ann.
Natural history--Arizona--Grand Canyon.
Natural history--Colorado River (Colo.-Mexico)
Grand Canyon (Ariz.)
Colorado River (Colo.-Mexico)
QH105.A65 / Z95 1995
508.7913