He was appointed District Geologist to Charters Towers in 1946 , Assistant Chief Geologist in 1950 .
He was appointed District Geologist to Charters Towers in 1946 , Assistant Chief became Chief Government Geologist from 1956 -- 1967 when he retired .
He was appointed District Geologist to Charters Towers in 1946 , Assistant Chief Geologist in 1950 , and became Chief Government Geologist from 1956 -- 1967 when he retired .