Sydney, Royal Society of New South Wales, 1955.
Quarto, 39 pages with 6 numbered figures (maps, charts, diagrams); the page numbers are preceded by the letter S.
Wrappers a little sunned and lightly chipped; a very good copy.
The proceedings of a symposium organised by the RSNSW; the contributors are H.G. Raggatt, Professor Hunter, R.F. Cane, and Professor C. Renwick.