Lassen Volcanic National Park, Ranger Naturalist Service by Work Projects Administration Poster CollectionAbout this piece Immerse yourself in the awe inspiring beauty of Lassen Volcanic National Park with the vintage poster carefully preserved in the Library of Congress archives. This captivating artwork pays tribute to the invaluable efforts of the Ranger Naturalist Service in guiding and educating visitors amidst the park's volcanic marvels. The poster beautifully captures the park's rugged landscapes, geothermal features, and diverse flora and fauna.