Lone Star Preserve - A committee set up with the aim of purchasing the Lone Star property in order to preserve and protect the site. Pictures, donation information, news update. members.aol.com/lonestarpreserve/lonestarpreserve.html
Mammoth Cave Restoration Project - An organisation set up to carry out restoration activities in the vicinity of the Natural Entrance of Mammoth Cave and within the cave itself. oldsci.eiu.edu/physics/len/mammoth/mcrp0.html
