Repeat photography at Chaco Canyon based on photographs made during the 1896-1899 Hyde Expedition and in the 1970s
By: by Harold E. Malde
Contributors: Chaco Culture National Historical Park (N.M.); Wright Paleohydrological Institute
Publisher: Hal Malde Photographs
Published: 2000
Place of publication: Boulder, Colo
Language: eng
Number of pages: 39
Subjects: Desert ecology; Landscape changes; Repeat photography; Chaco Culture National Historical Park (N.M.)
Notes: "Prepared ... for Chaco Culture National Historical Park, New Mexico, U.S. National Park Service"--T.p. verso.

Includes bibliographical references (p. 41).