Geologic and geographic sketches of Zion and Bryce Canyon National Parks
Contributors: Zion-Bryce Natural History Association
Edition: 4th ed.
Publisher: Zion-Bryce Natural History Association
Published: 1956
Place of publication: Place of publication not identified]
Language: eng
Number of pages: 36
Subjects: Geology
Notes: Cover title.

A combination of the author's A geologic and geographic sketch of Zion National Park and A geologic and geographic sketch of Bryce National Park, first issued in 1940 as Zion-Bryce Museum bulletin, no. 3 and 4 respectively.