Lassen Volcanic National Park, California
Subtitle: season from June 1 to September 30
By: United States Department of the Interior, National Park Service.
Contributors: United States. National Park Service.
Publisher: U.S. G.P.O.
Published: 1935
Place of publication: Washington
Language: eng
Number of pages: 26
Subjects: Lassen Volcanic National Park (Calif.)
Notes: Bound with other pamphlets on national parks and monuments.