Show antarctic expedition successful ful adelaide kii mistral la ur dr douglas mawson explorer returned here thursday from the antarctic on board the arora ire he said his expedition hid been ami successful suf mr mawson declared that dredging had yielded the best collection of biological sped mens ever obtained in the antarctic many mineral deposits hod had been exposed some of them rich their ex lent ent hoi however was not traceable ow ing to the ice occasional rocks e posed indicated the existence of a s vast coal bed |