1. No person shall enter Oregon Caves unless accompanied by an authorized guide. 2. Children under 6 years of age are not permitted in the caves. A nursery is provided. 3. The destruction, injury, defacement or removal of any of the natural features, rocks, plants, or animals in the caves or Monument is prohibited. 4. No canes, umbrellas or sticks of any kind may be taken into the caves. 5. Dogs and cats must be kept under physical control and are not allowed on trails or in the buildings. 6. Careless disposal of trash is prohibited; please use the containers placed nearby. THIS IS _YOUR_ NATIONAL MONUMENT Please help keep it clean and undamaged for those who follow you. ADMINISTRATION Oregon Caves National Monument is a unit of the National Park Service. Inquiries should be addressed to the Park Manager, Oregon Caves National Monument, P.O. Box 377, Cave Junction, Oregon 97523. [Illustration: Cave entrance] Transcriber’s Notes —Silently corrected a few typos. —Added links to images mentioned in the text; reworded some references to fit a presentation without page facing. —Retained publication information from the printed edition: this eBook is public-domain in the country of publication. —In the text versions only, text in italics is delimited by _underscores_. End of the Project Gutenberg EBook of The Underworld of Oregon Caves National Monument, by Roger Jacob Cantor