Exploring our national parks and monuments.
By: Art work by the author.
Contributors: National Parks Association (U.S.)
Edition: 2d ed.
Publisher: Houghton Mifflin
Published: 1949
Place of publication: Boston
Language: eng
Number of pages: 224
Subjects: National parks and reserves -- United States.
Notes: "For further reading" : p. 219-222.
"Prepared under the auspices of the National Parks Association."