Tracks The mine / University Speleological Society / Cathedral Cave / Cathedral Cave in / Learning Experience The Phosphate Mine / The Phosphate Mine / /
IndustryTerm
wooden mining structure / cave systems / limestone cave systems / early twentieth century mining technology / larger cave systems / started mining south / chemical and physical weathering / /
Movie
How do you know / /
NaturalFeature
Bell River / /
Organization
Federal Government / NSW Board of Studies / Sydney University Speleological Society / Wellington Caves Fossil Studies Centre / Board of Studies NSW / /
Person
George Rankin / Bell Holes / Chris George / Mike Augee / Bruce Welch / Charles Darwin / /