[Code of Federal Regulations] [Title 36, Volume 1] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 36CFR7.47] [Page 110-111] TITLE 36--PARKS, FORESTS, AND PUBLIC PROPERTY CHAPTER I--NATIONAL PARK SERVICE, DEPARTMENT OF THE INTERIOR PART 7_SPECIAL REGULATIONS, AREAS OF THE NATIONAL PARK SYSTEM --Table of Contents Sec. 7.47 Carlsbad Caverns National Park. (a) Cave entry. (1) With the exception of the regular trips into Carlsbad Caverns under the guidance or supervision of employees of the National Park Service, no person shall enter any cave or undeveloped part or passage of any cave without a permit. (2) Permits. The Superintendent may issue written permits for cave entry without escort only to persons engaged in scientific or educational investigations. The Superintendent shall approve issuance of a permit provided: (i) That the investigation planned will have demonstrable value to the National Park Service in its management or understanding of park resources, and [[Page 111]] (ii) That the permit applicant is adequately equipped and experienced so as to ensure the protection and preservation of park resources. (3) Solo exploration. Solo exploration or investigation is not permitted in any cave or undeveloped part or passageway of any cave within the park. [34 FR 8356, May 30, 1969, as amended at 41 FR 24123, June 15, 1976; 48 FR 30295, June 30, 1983]