The national parks portfolio
By: by Robert Sterling Yard ; revised by Isabelle F. Story, editor, National park service. --
Contributors: Story, Isabelle Florence, 1888-; Yard, Robert Sterling, 1861-1945
Edition: 6th ed. --
Publisher: U. S. Govt. Print. Off.
Published: 1931
Place of publication: Washington
Language: eng
Number of pages: 274
Description: Presents descriptions of U.S. national parks and national monuments. Supplemented by several black and white photographs.
Notes: At head of title: United States Department of the Interior. Ray Lyman Wilbur, secretary. National park service. Horace M. Albright, director.