Photographer: Jack EdwardsPhotographer: Joan Edwards2019-09-062019-09-06Dec-73http://hdl.handle.net/1885/165766Machine working topsidemounted transparencyfull colourimage/tiffen-AUphosphate mining2019-09-06This item is provided for research purposes. Contact the Australian National University Archives at butlin.archives@anu.edu.au for permission to use.