A geologic and geographic sketch of Zion National Park
By: by Herbert E. Gregory
Series: Zion-Bryce museum bulletin -- no. 3
Publisher: National Park Service, Zion National Park; Zion-Bryce Natural History Association
Published: 1939
Place of publication: [s.l.]
Language: eng
Number of pages: 33
Subjects: National parks and reserves
Other titles: Zion National Park.
Notes: Caption title.

Cover title: Zion National Park : a geologic and geographic sketch.

"November 1939"--P. i.