Lassen Volcanic National Park, California
Subtitle: opening and closing dates depend upon weather conditions
By: United States Department of the Interior, National Park Service.
Contributors: United States. National Park Service.
Publisher: U.S. G.P.O.
Published: 1939
Place of publication: [Washington
Language: eng
Number of pages: 30
Subjects: Lassen Volcanic National Park (Calif.)
Notes: Caption title.

Includes bibliographical references (p. [29]).

Bound with other pamphlets on national parks and monuments.