Federal Cave Protection Act
Cave Laws: The Federal Cave Protection Act of 1988
Pennsylvania Cave Law
No 1990-133, SB 867, Signed into law Nov. 21, 1990
Landowner Liability Act
No. 586, HB 1005, signed into law Feb. 2, 1966
Pennsylvania Recreational Use Statute
Pennsylvania Statutes
West Virginia Cave Protection Law
Chapter 20. Natural Resources.