Downcanyon
Subtitle: a naturalist explores the Colorado River through the Grand Canyon
By: Ann Haymond Zwinger ; with drawings by the author.
Publisher: University of Arizona Press
Published: 1995
Place of publication: Tucson
Language: eng
Number of pages: 318
Subjects: Zwinger, Ann.; Natural history -- Arizona -- Grand Canyon.; Natural history -- Colorado River (Colo.-Mexico); Grand Canyon (Ariz.); Colorado River (Colo.-Mexico)
Notes: Includes bibliographical references (p. [245]-299) and index.