A geological excursion in the Grand Cañon district
By: by Douglas Wilson Johnson.
Contributors: Boston Society of Natural History.
Series: Proceedings of the Boston Society of Natural History -- v. 34, no. 6
Publisher: Boston Society of Natural History
Published: 1909
Place of publication: Boston
Language: eng
Number of pages: 161
Subjects: Geology -- Grand Canyon National Park.
Other titles: Grand Cañon district.
Notes: Running title: Grand Cañon district.

Includes bibliographical references (p. 161).