hansen search

i am searching for a great uncle who went to australia about 1880. he was born in norway on 11 april 1865 and married rebecca m. blakely june 3rf 1887 he was registered haakon peder hansen bolstad but dissappeared and could have used family names hansen, pedersen or salveson there was also a report of him being killed in a mining accident at broken hill but have found nothing so far to confirm that event wuold be grateful for any info donbol