In 1994, a park ranger abseiling into a sandstone gorge 150 kilometres from Sydney found a stand of trees with bark like bubbling chocolate that turned out to be Wollemi pines, a species the fossil record had declared extinct for 90 million years and whose location the New South Wales government still refuses to publish
In 1994, NSW park ranger David Noble abseiled into a sandstone canyon and found Wollemi pines, a conifer the fossil record had listed as extinct for 90 million years. Three decades on, the location is still a state secret.