Fossil and Petrology collections, New South Wales containing diamond. Many samples in the recent part of the Petrology collection are either irreplaceable or extremely expensive to replace, such as the samples from the Snowy Mountain tunnels or the samples from drill holes. Hand written catalogues from the older parts of the collection are no longer used much because the information has been captured into the ROCKS database. However the old and newer parts of the collection are stored together and are frequently accessed on a day to day basis. There is a potential heritage value for parts of the Petrology Collections and Catalogues. The historical Catalogues could
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