Summer trips, Grand Canyon National Park ...

Bibliographic Details
Corporate Author:	United States. National Park Service
Format:	Book
Language:	English
Published:	[Chicago] : [Rand McNally & Co.], [1922]
Subjects:	Grand Canyon (Ariz.) National parks and reserves > Public use.

Description
Item Description:	At head of title: Department of the Interior ... National Park Service ... "Supplement to 'Rules and regulations.'"
Physical Description:	15 pages : illustrations (including maps.) ; octavo.