You can hear the song sung by it's writer on the following CD:Pithead in the Fern, songs by John Warner.
Contact Walters & Warner PO Box 615 Glebe NSW 2037 Australia
The CD also includes another 19 tracks, all relating to mining. John sings with a lady called Margaret Walters and a group called Taliesin.
They're very nice people - we had a house concert here in Perth a while ago.
BrimstoneWA