The national parks.
By: Foreword by George B. Hartzog, Jr.
Edition: [2d rev. ed.]
Publisher: Knopf
Published: 1970
Place of publication: New York
Language: eng
Number of pages: 584
Subjects: National parks and reserves -- United States -- Guidebooks.; United States -- Guidebooks.
Notes: "A revised & enlarged edition ... with new information & evaluation on all of the national parks, national monuments, & historic sites."