Fossil and Petrology collections, New South Wales stratigraphy and paleontology in New South Wales. They are also a source of information for researchers throughout the world. This collection is identified as State Significant. As at 21 November 2000, the Petrology Collection has been assessed as State significance. It contains 70,000 rocks and thin section. It was started in the 1870's as two separate collections, one with 9,000 rocks and the other with 43000 thin sections. The Fossil and Petrology Collections were listed on the New South Wales State Heritage Register on 2 April 1999. Fossil and Petrology collections, New South Wales The Fossil and Petrology collections are
What Is and What Should Never Be and What Should Never Be" was performed live at Led Zeppelin concerts between 1969 and 1973. A live version taken from a performance at the Royal Albert Hall in 1970 can be seen on the "Led Zeppelin DVD". Another was included on disc two of the live triple album "How The West Was Won". Two more versions were included in BBC Sessions. What Is and What Should Never Be "What Is and What Should Never Be" is a song by English rock band Led Zeppelin. It was written by Jimmy Page and Robert Plant and was included as the second