Grand Canyon National Park
Subtitle: window on the river of time
By: photographs by Pat O'Hara ; text by Tim McNulty ; design by McQuiston & Daughter.
Contributors: McNulty, Tim.; Grand Canyon Natural History Association.
Publisher: Woodlands Press in conjunction with Grand Canyon Natural History Association; Distributed by Kampmann
Published: 1986
Place of publication: San Rafael, Calif; New York
Language: eng
Number of pages: 72
Subjects: Grand Canyon National Park (Ariz.) -- Pictorial works.