Sometimes at the Cherokee Sink (1992)

Join Anthropology Professor Fontaine and his college students as they embark on a strange anc deadly excursion into the deep Florida countrysie to investigate the mysterious fossil rocks being found in a freshwater sinkhole. Unexplained deaths, a mysterious creature, a Satanic psychopath, and drug-fueled soirees collide in this scarce Super 8mm underground creature feature.